# CIEN · Ciena Corp

Snapshot 2026-10-26 · CIK 0000936395 · NYSE · Telephone & Telegraph Apparatus

Price 320.26 (2026-10-23, Alpaca Market Data (consolidated SIP daily bar)) · Market cap 45.42 B

Machine-readable: https://theclaudetrader.com/s/CIEN.json · index: https://theclaudetrader.com/llms.txt

## Scores

### Graham Defensive: 58.5 (ok) · complete: True · missing tests: none · current inputs as of 2025-11-01 · stale inputs: Revenue · history 2014–2025 · price 2026-10-23 · verification {'verified': 0, 'mismatch': 0, 'unverified': 22, 'not_cross_checked': 2} · computed 2026-10-26 · rules https://theclaudetrader.com/p/graham
- 1 Adequate size: 4.77 revenue $B · threshold >= 1 · points 5.0/5
- 2a Current ratio: 3.8  · threshold >= 2.0 · points 15.0/15
- 2b Long-term debt vs working capital: 0.83 LTD / WC · threshold <= 1.0 · points 15.0/15
- 3 Positive earnings each of 10 years: 9 of 10  · threshold 10 of 10 · points 13.5/15
- 4 Dividends every year for 20 years: 0 of 20  · threshold 20 of 20 · points 0.0/15
- 5 EPS growth, 3-yr avg now vs 10 yrs ago: 0.08 -> 1.05 (+1265%)  · threshold >= +33% · points 10.0/10
- 6 P/E on 3-year average EPS: 306.0  · threshold <= 15 · points 0.0/15
- 7 P/B <= 1.5, or P/E x P/B <= 22.5: P/B 14.86, product 4546.1  · threshold <= 1.5 or <= 22.5 · points 0.0/10

Inputs:
  - Price (close, per traded unit): 320.26 · 2026-10-23 · Alpaca Market Data (consolidated SIP daily bar) · https://docs.alpaca.markets/docs/historical-stock-data-1
  - Revenue: 4769507000.0 · 2025-11-01 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - current_assets: 5262612000.0 · 2026-08-01 · SEC XBRL AssetsCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - current_liabilities: 1385933000.0 · 2026-08-01 · SEC XBRL LiabilitiesCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - lt_debt: 3229843000.0 · 2026-08-01 · SEC XBRL LongTermDebtNoncurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - equity: 3056738000.0 · 2026-08-01 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - Net income FY2016: 72584000.0 · 2016-10-31 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639518000048/ · unverified
  - Net income FY2017: 1261953000.0 · 2017-10-31 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639519000056/ · unverified
  - Net income FY2018: -344690000.0 · 2018-11-03 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639520000042/ · unverified
  - Net income FY2019: 253434000.0 · 2019-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639521000054/ · unverified
  - Net income FY2020: 361291000.0 · 2020-10-31 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639522000065/ · unverified
  - Net income FY2021: 500196000.0 · 2021-10-30 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified
  - Net income FY2022: 152902000.0 · 2022-10-29 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/ · unverified
  - Net income FY2023: 254827000.0 · 2023-10-28 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2024: 83956000.0 · 2024-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2025: 123338000.0 · 2025-11-01 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Dividend years (Yahoo): [] ·  · Yahoo Finance dividend history · https://finance.yahoo.com/quote/CIEN/history?filter=div · unverified
  - EPS diluted FY2014: -0.38 · 2014-10-31 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000093639516000128/ · unverified
  - EPS diluted FY2015: 0.1 · 2015-10-31 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000093639517000064/ · unverified
  - EPS diluted FY2016: 0.51 · 2016-10-31 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000093639518000048/ · unverified
  - EPS diluted FY2023: 1.71 · 2023-10-28 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - EPS diluted FY2024: 0.58 · 2024-11-02 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - EPS diluted FY2025: 0.85 · 2025-11-01 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Shares outstanding: 141808525.0 · 2026-08-28 · SEC cover page 10-Q 0001628280-26-060361 (141,808,525 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/cien-20260801.htm · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/R1.htm

### Magic Formula: 9.0 (ok) · complete: True · missing tests: none · current inputs as of 2026-01-31 · stale inputs: operating_income_q, operating_income_q · history None–None · price 2026-10-23 · verification None · computed 2026-10-26 · rules https://theclaudetrader.com/p/magic_formula
-  Earnings yield (EBIT/EV): 1.6 % · threshold  · points /
-  Return on capital (EBIT/(NWC+PPE)): 16.92 % · threshold  · points /
-  Combined rank: 344  · threshold  · points /

Inputs:
  - operating_income: 197531000.0 · 2025-11-01 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/
  - operating_income_q: 189412000.0 · 2026-01-31 · SEC XBRL OperatingIncomeLoss (quarter CY2025Q4) · https://www.sec.gov/Archives/edgar/data/936395/000162828026015152/
  - operating_income_q: 80663000.0 · 2025-02-01 · SEC XBRL OperatingIncomeLoss (quarter CY2024Q4) · https://www.sec.gov/Archives/edgar/data/936395/000162828026015152/
  - operating_income_q: 237871000.0 · 2026-05-02 · SEC XBRL OperatingIncomeLoss (quarter CY2026Q1) · https://www.sec.gov/Archives/edgar/data/936395/000162828026040767/
  - operating_income_q: 32842000.0 · 2025-05-03 · SEC XBRL OperatingIncomeLoss (quarter CY2025Q1) · https://www.sec.gov/Archives/edgar/data/936395/000162828026040767/
  - operating_income_q: 301179000.0 · 2026-08-01 · SEC XBRL OperatingIncomeLoss (quarter CY2026Q2) · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - operating_income_q: 73535000.0 · 2025-08-02 · SEC XBRL OperatingIncomeLoss (quarter CY2025Q2) · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - current_assets: 5262612000.0 · 2026-08-01 · SEC XBRL AssetsCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - current_liabilities: 1385933000.0 · 2026-08-01 · SEC XBRL LiabilitiesCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - cash: 2445708000.0 · 2026-08-01 · SEC XBRL CashAndCashEquivalentsAtCarryingValue · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - ppe_net: 491656000.0 · 2026-08-01 · SEC XBRL PropertyPlantAndEquipmentNet · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - lt_debt: 3229843000.0 · 2026-08-01 · SEC XBRL LongTermDebtNoncurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - debt_lt_current: 0.0 · 2026-08-01 · SEC XBRL LongTermDebtCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/
  - shares_out: 141808525.0 · 2026-08-28 · SEC cover page 10-Q 0001628280-26-060361 (141,808,525 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/cien-20260801.htm · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/R1.htm
  - Price (close): 320.26 · 2026-10-23 · Yahoo Finance / Alpaca Market Data · 
  - note: debt = LongTermDebtNoncurrent + LongTermDebtCurrent ·  ·  · 

### Momentum: 56.1 (ok) · complete: True · missing tests: none · current inputs as of 2026-10-23 · stale inputs: none · history None–None · price 2026-10-23 · verification None · computed 2026-10-26 · rules https://theclaudetrader.com/p/momentum
-  12-1 month return: 106.2 % · threshold  · points 47.9/50
-  6 month return: -37.9 % · threshold  · points 0.4/20
-  Price / 52-week high: 0.511  · threshold  · points 7.7/15
-  Volatility penalty (60d annualised): 81.3 % · threshold  · points 0.2/15

Inputs:
  - Adjusted close series (14 months): 320.26 · 2026-10-23 · Yahoo Finance / Alpaca Market Data daily history · 

### Insider: 0.0 (ok) · complete: True · missing tests: none · current inputs as of 2026-10-23 · stale inputs: none · history None–None · price None · verification None · computed 2026-10-26 · rules https://theclaudetrader.com/p/insider
-  Open-market buy value / market cap (percentile among buyers): 0.0 bp · threshold  · points 0.0/35
-  Distinct buyers: 0  · threshold  · points 0.0/25
-  Buyer seniority: 0.0  · threshold  · points 0.0/20
-  Recency (half-life 30d): 0.0  · threshold  · points 0.0/10
-  Sales penalty (excludes 10b5-1 plan sales): 0.52 bp · threshold  · points -5.9/0

Inputs:
  - Form 4 S Claflin Bruce L. 2026-09-24: 1016834.8700000001 · 2026-09-24 · SEC Form 4 (insider transactions data set) · https://www.sec.gov/Archives/edgar/data/936395/000112329226001329/
  - Form 4 S NEVENS THOMAS MICHAEL 2026-09-23: 1342091.52 · 2026-09-23 · SEC Form 4 (insider transactions data set) · https://www.sec.gov/Archives/edgar/data/936395/000125144526000004/
  - excluded 2026-10-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-01 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-01 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-01 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-10-01 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-09-25 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-09-16 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-09-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-09-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-09-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-09-15 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-09-01 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-08-17 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-08-17 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-08-14 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-08-14 S: 10b5-1 plan ·  · rule · 
  - excluded 2026-08-03 S: 10b5-1 plan ·  · rule · 

### Buffett Quality: 23.5 (ok) · complete: True · missing tests: none · current inputs as of 2026-08-01 · stale inputs: none · history 2016–2025 · price 2026-10-23 · verification {'verified': 0, 'mismatch': 0, 'unverified': 48, 'not_cross_checked': 2} · computed 2026-10-26 · rules https://theclaudetrader.com/p/buffett
- 1 Average return on equity (net income / year-end equity): 5.9% over 8 yrs  · threshold >= 15% · points 0.0/25
- 2 Profitable every year: 9 of 10  · threshold all years · points 13.5/15
- 3 Net income growth, 3-yr average now vs start of window: -10.3% a year  · threshold >= +10% · points 0.0/10
- 4 Borrowings / 3-yr average earnings (years to repay): 21.0 years · threshold <= 4 · points 0.0/15
- 5 Operating margin, 5-yr average: 7.3%  · threshold >= 20% · points 0.0/10
- 6 Free cash flow / net income, 5-yr (operating cash flow minus capex): 1.17  · threshold >= 1.0 · points 10.0/10
- 7 Owner-earnings yield (3-yr avg free cash flow / market cap): 0.8%  · threshold >= 7% · points 0.0/15

Inputs:
  - Price (close, per traded unit): 320.26 · 2026-10-23 · Alpaca Market Data (consolidated SIP daily bar) · https://docs.alpaca.markets/docs/historical-stock-data-1
  - Net income FY2018: -344690000.0 · 2018-11-03 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639520000042/ · unverified
  - Equity at FY2018 end: 1929334000.0 · 2018-10-31 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000093639519000056/ · unverified
  - Net income FY2019: 253434000.0 · 2019-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639521000054/ · unverified
  - Equity at FY2019 end: 2172761000.0 · 2019-10-31 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000093639520000011/ · unverified
  - Net income FY2020: 361291000.0 · 2020-10-31 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639522000065/ · unverified
  - Equity at FY2020 end: 2509597000.0 · 2020-10-31 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified
  - Net income FY2021: 500196000.0 · 2021-10-30 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified
  - Equity at FY2021 end: 3020018000.0 · 2021-10-30 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/ · unverified
  - Net income FY2022: 152902000.0 · 2022-10-29 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/ · unverified
  - Equity at FY2022 end: 2712861000.0 · 2022-10-29 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2023: 254827000.0 · 2023-10-28 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Equity at FY2023 end: 2848361000.0 · 2023-10-28 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2024: 83956000.0 · 2024-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Equity at FY2024 end: 2816138000.0 · 2024-11-02 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - Net income FY2025: 123338000.0 · 2025-11-01 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Equity at FY2025 end: 2729323000.0 · 2025-11-01 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - Net income FY2016: 72584000.0 · 2016-10-31 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639518000048/ · unverified
  - Net income FY2017: 1261953000.0 · 2017-10-31 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639519000056/ · unverified
  - Net income FY2018: -344690000.0 · 2018-11-03 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639520000042/ · unverified
  - Net income FY2019: 253434000.0 · 2019-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639521000054/ · unverified
  - Net income FY2020: 361291000.0 · 2020-10-31 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639522000065/ · unverified
  - Net income FY2021: 500196000.0 · 2021-10-30 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified
  - Net income FY2022: 152902000.0 · 2022-10-29 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/ · unverified
  - Net income FY2023: 254827000.0 · 2023-10-28 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2024: 83956000.0 · 2024-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2025: 123338000.0 · 2025-11-01 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - lt_debt: 3229843000.0 · 2026-08-01 · SEC XBRL LongTermDebtNoncurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - debt_lt_current: 0.0 · 2026-08-01 · SEC XBRL LongTermDebtCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - Operating income FY2021: 495356000.0 · 2021-10-30 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified
  - Revenue FY2021: 3620684000.0 · 2021-10-30 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified
  - Operating income FY2022: 222808000.0 · 2022-10-29 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/ · unverified
  - Revenue FY2022: 3632661000.0 · 2022-10-29 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/ · unverified
  - Operating income FY2023: 357545000.0 · 2023-10-28 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Revenue FY2023: 4386549000.0 · 2023-10-28 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Operating income FY2024: 166617000.0 · 2024-11-02 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Revenue FY2024: 4014955000.0 · 2024-11-02 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Operating income FY2025: 197531000.0 · 2025-11-01 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Revenue FY2025: 4769507000.0 · 2025-11-01 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Operating cash flow FY2021: 541646000.0 · 2021-10-30 · SEC XBRL NetCashProvidedByUsedInOperatingActivities · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified

### Lynch GARP: 22.3 (ok) · complete: True · missing tests: none · current inputs as of 2026-08-01 · stale inputs: none · history 2020–2025 · price 2026-10-23 · verification {'verified': 0, 'mismatch': 0, 'unverified': 6, 'not_cross_checked': 1} · computed 2026-10-26 · rules https://theclaudetrader.com/p/lynch
- 1 PEG: P/E divided by 5-yr EPS growth (in % points): None  · threshold <= 1.0 · points 0.0/30
- 2 EPS growth, 5-yr compound rate: -18.2% a year  · threshold 12% to 35% a year · points 0.0/20
- 3 P/E on latest annual EPS: 376.8  · threshold <= 25 · points 0.0/10
- 4 Borrowings / equity: 1.06  · threshold <= 0.5 · points 6.7/15
- 5 Years of the last 5 in which EPS rose: 3 of 5  · threshold 5 of 5 · points 9.0/15
- 6 Net cash (cash minus borrowings) / market cap: -1.7%  · threshold >= +10% · points 6.6/10

Inputs:
  - Price (close, per traded unit): 320.26 · 2026-10-23 · Alpaca Market Data (consolidated SIP daily bar) · https://docs.alpaca.markets/docs/historical-stock-data-1
  - EPS diluted FY2025: 0.85 · 2025-11-01 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - EPS diluted FY2020: 2.32 · 2020-10-31 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000093639522000065/ · unverified
  - lt_debt: 3229843000.0 · 2026-08-01 · SEC XBRL LongTermDebtNoncurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - debt_lt_current: 0.0 · 2026-08-01 · SEC XBRL LongTermDebtCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - equity: 3056738000.0 · 2026-08-01 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - cash: 2445708000.0 · 2026-08-01 · SEC XBRL CashAndCashEquivalentsAtCarryingValue · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified

### Graham Enterprising: 45.0 (ok) · complete: True · missing tests: none · current inputs as of 2026-08-01 · stale inputs: none · history 2020–2025 · price 2026-10-23 · verification {'verified': 0, 'mismatch': 0, 'unverified': 13, 'not_cross_checked': 3} · computed 2026-10-26 · rules https://theclaudetrader.com/p/graham_enterprising
- 1 Current ratio: 3.8  · threshold >= 1.5 · points 15.0/15
- 2 Borrowings vs working capital: 0.83 x · threshold <= 1.1x · points 15.0/15
- 3 No earnings deficit in the last 5 years: 5 of 5 profitable  · threshold 5 of 5 · points 15.0/15
- 4 Pays a current dividend: no  · threshold yes · points 0.0/10
- 5 EPS higher than five years earlier: 2.32 -> 0.85  · threshold higher · points 0.0/10
- 6 Price / book value per share: 14.86  · threshold <= 1.2 · points 0.0/20
- 7 Price / net current asset value per share (current assets minus all liabilities): 140.99  · threshold <= 0.67 · points 0.0/15

Inputs:
  - Price (close, per traded unit): 320.26 · 2026-10-23 · Alpaca Market Data (consolidated SIP daily bar) · https://docs.alpaca.markets/docs/historical-stock-data-1
  - current_assets: 5262612000.0 · 2026-08-01 · SEC XBRL AssetsCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - current_liabilities: 1385933000.0 · 2026-08-01 · SEC XBRL LiabilitiesCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - lt_debt: 3229843000.0 · 2026-08-01 · SEC XBRL LongTermDebtNoncurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - debt_lt_current: 0.0 · 2026-08-01 · SEC XBRL LongTermDebtCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - Net income FY2021: 500196000.0 · 2021-10-30 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/ · unverified
  - Net income FY2022: 152902000.0 · 2022-10-29 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/ · unverified
  - Net income FY2023: 254827000.0 · 2023-10-28 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2024: 83956000.0 · 2024-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Net income FY2025: 123338000.0 · 2025-11-01 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - Dividend years (Yahoo): [] ·  · Yahoo Finance dividend history · https://finance.yahoo.com/quote/CIEN/history?filter=div
  - EPS diluted FY2025: 0.85 · 2025-11-01 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - EPS diluted FY2020: 2.32 · 2020-10-31 · SEC XBRL EarningsPerShareDiluted · https://www.sec.gov/Archives/edgar/data/936395/000093639522000065/ · unverified
  - equity: 3056738000.0 · 2026-08-01 · SEC XBRL StockholdersEquity · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - Shares outstanding: 141808525.0 · 2026-08-28 · SEC cover page 10-Q 0001628280-26-060361 (141,808,525 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/cien-20260801.htm · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/R1.htm
  - liabilities: 4940502000.0 · 2026-08-01 · SEC XBRL Liabilities · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified

### Piotroski F-Score: 66.7 (ok) · complete: True · missing tests: none · current inputs as of None · stale inputs: none · history 2024–2026 · price None · verification {'verified': 0, 'mismatch': 0, 'unverified': 27, 'not_cross_checked': 0} · computed 2026-10-26 · rules https://theclaudetrader.com/p/piotroski
- 1 Return on assets is positive: 2.1%  · threshold pass = 1 · points 11.11111111111111/11.11111111111111
- 2 Operating cash flow is positive: 806M  · threshold pass = 1 · points 11.11111111111111/11.11111111111111
- 3 Return on assets improved on the prior year: 1.5% -> 2.1%  · threshold pass = 1 · points 11.11111111111111/11.11111111111111
- 4 Operating cash flow exceeds net income (accruals): 806M vs 123M  · threshold pass = 1 · points 11.11111111111111/11.11111111111111
- 5 Long-term debt / assets fell: 27.2% -> 26.0%  · threshold pass = 1 · points 11.11111111111111/11.11111111111111
- 6 Current ratio improved: 3.54 -> 2.73  · threshold pass = 1 · points 0.0/11.11111111111111
- 7 No new shares issued (share count did not rise): 141M -> 142M  · threshold pass = 1 · points 0.0/11.11111111111111
- 8 Operating margin improved (stand-in for gross margin, which the dataset does not carry): 4.1% -> 4.1%  · threshold pass = 1 · points 0.0/11.11111111111111
- 9 Asset turnover (revenue / assets) improved: 0.71 -> 0.81  · threshold pass = 1 · points 11.11111111111111/11.11111111111111

Inputs:
  - net_income 2025-11-01: 123338000.0 · 2025-11-01 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - total_assets 2025-11-01: 5864667000.0 · 2025-11-01 · SEC XBRL Assets · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - cfo 2025-11-01: 806093000.0 · 2025-11-01 · SEC XBRL NetCashProvidedByUsedInOperatingActivities · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - net_income 2025-11-01: 123338000.0 · 2025-11-01 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - net_income 2024-11-02: 83956000.0 · 2024-11-02 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - total_assets 2025-11-01: 5864667000.0 · 2025-11-01 · SEC XBRL Assets · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - total_assets 2024-11-02: 5641337000.0 · 2024-11-02 · SEC XBRL Assets · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - cfo 2025-11-01: 806093000.0 · 2025-11-01 · SEC XBRL NetCashProvidedByUsedInOperatingActivities · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - net_income 2025-11-01: 123338000.0 · 2025-11-01 · SEC XBRL NetIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - lt_debt 2025-11-01: 1524158000.0 · 2025-11-01 · SEC XBRL LongTermDebtNoncurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - lt_debt 2024-11-02: 1533074000.0 · 2024-11-02 · SEC XBRL LongTermDebtNoncurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - total_assets 2025-11-01: 5864667000.0 · 2025-11-01 · SEC XBRL Assets · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - total_assets 2024-11-02: 5641337000.0 · 2024-11-02 · SEC XBRL Assets · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - current_assets 2025-11-01: 3565507000.0 · 2025-11-01 · SEC XBRL AssetsCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - current_assets 2024-11-02: 3544416000.0 · 2024-11-02 · SEC XBRL AssetsCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - current_liabilities 2025-11-01: 1308394000.0 · 2025-11-01 · SEC XBRL LiabilitiesCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - current_liabilities 2024-11-02: 999840000.0 · 2024-11-02 · SEC XBRL LiabilitiesCurrent · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - shares_out 2026-08-28: 141808525.0 · 2026-08-28 · SEC XBRL EntityCommonStockSharesOutstanding · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - shares_out 2025-08-29: 141055908.0 · 2025-08-29 · SEC XBRL EntityCommonStockSharesOutstanding · https://www.sec.gov/Archives/edgar/data/936395/000093639525000041/ · unverified
  - operating_income 2025-11-01: 197531000.0 · 2025-11-01 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - operating_income 2024-11-02: 166617000.0 · 2024-11-02 · SEC XBRL OperatingIncomeLoss · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - revenue 2025-11-01: 4769507000.0 · 2025-11-01 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - revenue 2024-11-02: 4014955000.0 · 2024-11-02 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - revenue 2025-11-01: 4769507000.0 · 2025-11-01 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - revenue 2024-11-02: 4014955000.0 · 2024-11-02 · SEC XBRL Revenues · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified
  - total_assets 2025-11-01: 5864667000.0 · 2025-11-01 · SEC XBRL Assets · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/ · unverified
  - total_assets 2024-11-02: 5641337000.0 · 2024-11-02 · SEC XBRL Assets · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/ · unverified

## Market value, source trail

- Formula: market_value = traded_price (price date) / depositary_ratio x latest point-in-time SEC shares outstanding (share-count date shown; from the filing cover page, summed across share classes only where the issuer filing verifies the classes are economically equivalent (rule + evidence URL in the source text), else withheld; priced at the primary listed class, so where other classes trade at a different price the value is an approximation; restated only for issuer-verified splits after the count date); weighted-average share counts are never used
- Traded price: 320.26 on 2026-10-23 (USD per traded unit (share or ADS)) · https://docs.alpaca.markets/docs/historical-stock-data-1
- SEC shares outstanding: 141,808,525 underlying shares, period 2026-08-28, SEC cover page 10-Q 0001628280-26-060361 (141,808,525 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/cien-20260801.htm, accession 0001628280-26-060361 · https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/R1.htm
- Depositary ratio: 1.0 (domestic; 10-K filer; SEC shares are the traded units) · None
- Market value (price date x latest reported shares): 45,415,598,216 USD; 320.26 (price 2026-10-23) / 1 x 141,808,525 (shares at 2026-08-28) = 45,415,598,216

## Revenue by fiscal year (SEC XBRL; FY = calendar year in which the fiscal year ends)

- FY2013 (ended 2013-10-31): 2082546000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639515000062/
- FY2014 (ended 2014-10-31): 2288289000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639516000128/
- FY2015 (ended 2015-10-31): 2445669000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639517000064/
- FY2016 (ended 2016-10-31): 2600573000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639518000048/
- FY2017 (ended 2017-10-31): 2801687000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639519000056/
- FY2018 (ended 2018-11-03): 3094286000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639520000042/
- FY2019 (ended 2019-11-02): 3572131000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639521000054/
- FY2020 (ended 2020-10-31): 3532157000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639522000065/
- FY2021 (ended 2021-10-30): 3620684000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/
- FY2022 (ended 2022-10-29): 3632661000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/
- FY2023 (ended 2023-10-28): 4386549000.0 · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/
- FY2024 (ended 2024-11-02): 4014955000.0 · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/
- FY2025 (ended 2025-11-01): 4769507000.0 · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/

## Net income by fiscal year (SEC XBRL)

- FY2013 (ended 2013-10-31): -85431000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639515000062/
- FY2014 (ended 2014-10-31): -40637000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639516000128/
- FY2015 (ended 2015-10-31): 11667000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639517000064/
- FY2016 (ended 2016-10-31): 72584000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639518000048/
- FY2017 (ended 2017-10-31): 1261953000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639519000056/
- FY2018 (ended 2018-11-03): -344690000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639520000042/
- FY2019 (ended 2019-11-02): 253434000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639521000054/
- FY2020 (ended 2020-10-31): 361291000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639522000065/
- FY2021 (ended 2021-10-30): 500196000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639523000044/
- FY2022 (ended 2022-10-29): 152902000.0 · https://www.sec.gov/Archives/edgar/data/936395/000093639524000044/
- FY2023 (ended 2023-10-28): 254827000.0 · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/
- FY2024 (ended 2024-11-02): 83956000.0 · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/
- FY2025 (ended 2025-11-01): 123338000.0 · https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/

## EPS diluted by fiscal year (split-adjusted to today's share basis; as filed in brackets)

- FY2013 (ended 2013-10-31): -0.83 [filed -0.83, split factor 1.0]
- FY2014 (ended 2014-10-31): -0.38 [filed -0.38, split factor 1.0]
- FY2015 (ended 2015-10-31): 0.1 [filed 0.1, split factor 1.0]
- FY2016 (ended 2016-10-31): 0.51 [filed 0.51, split factor 1.0]
- FY2017 (ended 2017-10-31): 7.53 [filed 7.53, split factor 1.0]
- FY2018 (ended 2018-11-03): -2.49 [filed -2.49, split factor 1.0]
- FY2019 (ended 2019-11-02): 1.61 [filed 1.61, split factor 1.0]
- FY2020 (ended 2020-10-31): 2.32 [filed 2.32, split factor 1.0]
- FY2021 (ended 2021-10-30): 3.19 [filed 3.19, split factor 1.0]
- FY2022 (ended 2022-10-29): 1.0 [filed 1.0, split factor 1.0]
- FY2023 (ended 2023-10-28): 1.71 [filed 1.71, split factor 1.0]
- FY2024 (ended 2024-11-02): 0.58 [filed 0.58, split factor 1.0]
- FY2025 (ended 2025-11-01): 0.85 [filed 0.85, split factor 1.0]

## Dividend years (Yahoo history)

none

## Insider transactions (SEC Form 4 data set, latest 40)

- 2026-10-15 S Gage Brodie (officer) 1200 @ 344.08 = 412896 · https://www.sec.gov/Archives/edgar/data/936395/000199882626000023/#live
- 2026-10-15 S DiPerna Dino (officer) 445 @ 350.00 = 155750 · https://www.sec.gov/Archives/edgar/data/936395/000199846026000016/#live
- 2026-10-15 S DiPerna Dino (officer) 445 @ 344.08 = 153116 · https://www.sec.gov/Archives/edgar/data/936395/000199846026000016/#live
- 2026-10-15 S Rothenstein David M (officer) 2500 @ 348.06 = 870157 · https://www.sec.gov/Archives/edgar/data/936395/000144415726000028/#live
- 2026-10-15 S SMITH GARY B (CEO) 2952 @ 348.02 = 1027356 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000045/#live
- 2026-10-01 S SMITH GARY B (CEO) 2952 @ 369.66 = 1091238 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000043/#live
- 2026-10-01 S Graff Marc D. (CFO) 97 @ 355.19 = 34453 · https://www.sec.gov/Archives/edgar/data/936395/000208015726000015/#live
- 2026-10-01 S Kosaraju Sheela (officer) 2101 @ 355.19 = 746254 · https://www.sec.gov/Archives/edgar/data/936395/000196378126000014/#live
- 2026-10-01 S Phipps Jason (officer) 2629 @ 355.19 = 933795 · https://www.sec.gov/Archives/edgar/data/936395/000169919326000010/#live
- 2026-09-25 S Cumello Joseph (officer) 1586 @ 358.52 = 568613 · https://www.sec.gov/Archives/edgar/data/936395/000196363826000013/
- 2026-09-24 S Claflin Bruce L. (director) 2857 @ 355.91 = 1016835 · https://www.sec.gov/Archives/edgar/data/936395/000112329226001329/
- 2026-09-23 S NEVENS THOMAS MICHAEL (director) 3738 @ 359.04 = 1342092 · https://www.sec.gov/Archives/edgar/data/936395/000125144526000004/
- 2026-09-16 S DiPerna Dino (officer) 249 @ 350.00 = 87150 · https://www.sec.gov/Archives/edgar/data/936395/000199846026000011/
- 2026-09-15 S DiPerna Dino (officer) 249 @ 324.86 = 80890 · https://www.sec.gov/Archives/edgar/data/936395/000199846026000011/
- 2026-09-15 S Gage Brodie (officer) 1200 @ 324.86 = 389832 · https://www.sec.gov/Archives/edgar/data/936395/000199882626000018/
- 2026-09-15 S Rothenstein David M (officer) 2500 @ 330.48 = 826200 · https://www.sec.gov/Archives/edgar/data/936395/000144415726000024/
- 2026-09-15 S SMITH GARY B (CEO) 2952 @ 330.18 = 974691 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000039/
- 2026-09-01 S SMITH GARY B (CEO) 2952 @ 362.90 = 1071281 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000037/
- 2026-08-17 S Gage Brodie (officer) 1200 @ 439.24 = 527088 · https://www.sec.gov/Archives/edgar/data/936395/000199882626000016/
- 2026-08-17 S SMITH GARY B (CEO) 2952 @ 447.78 = 1321847 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000035/
- 2026-08-14 S Rothenstein David M (officer) 2500 @ 438.10 = 1095250 · https://www.sec.gov/Archives/edgar/data/936395/000144415726000022/
- 2026-08-14 S Graff Marc D. (CFO) 4995 @ 430.72 = 2151446 · https://www.sec.gov/Archives/edgar/data/936395/000208015726000010/
- 2026-08-03 S SMITH GARY B (CEO) 2952 @ 379.81 = 1121199 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000033/
- 2026-07-15 S DiPerna Dino (officer) 391 @ 449.15 = 175618 · https://www.sec.gov/Archives/edgar/data/936395/000199846026000009/
- 2026-07-15 S Gage Brodie (officer) 1200 @ 449.15 = 538980 · https://www.sec.gov/Archives/edgar/data/936395/000199882626000014/
- 2026-07-15 S Rothenstein David M (officer) 2500 @ 420.91 = 1052275 · https://www.sec.gov/Archives/edgar/data/936395/000144415726000020/
- 2026-07-15 S SMITH GARY B (CEO) 2952 @ 421.10 = 1243087 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000031/
- 2026-07-01 S SMITH GARY B (CEO) 2952 @ 468.83 = 1383986 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000029/
- 2026-07-01 S Phipps Jason (officer) 2629 @ 466.20 = 1225640 · https://www.sec.gov/Archives/edgar/data/936395/000169919326000006/
- 2026-07-01 S Graff Marc D. (CFO) 126 @ 466.20 = 58741 · https://www.sec.gov/Archives/edgar/data/936395/000208015726000006/
- 2026-07-01 S Kosaraju Sheela (officer) 2013 @ 466.20 = 938461 · https://www.sec.gov/Archives/edgar/data/936395/000196378126000010/
- 2026-06-26 S Cumello Joseph (officer) 1586 @ 466.33 = 739599 · https://www.sec.gov/Archives/edgar/data/936395/000196363826000009/
- 2026-06-24 S Graff Marc D. (CFO) 126 @ 449.36 = 56619 · https://www.sec.gov/Archives/edgar/data/936395/000208015726000004/
- 2026-06-15 S Gage Brodie (officer) 1200 @ 466.10 = 559320 · https://www.sec.gov/Archives/edgar/data/936395/000199882626000010/
- 2026-06-15 S Rothenstein David M (officer) 2500 @ 457.07 = 1142675 · https://www.sec.gov/Archives/edgar/data/936395/000144415726000016/
- 2026-06-15 S SMITH GARY B (CEO) 2952 @ 457.02 = 1349123 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000025/
- 2026-06-01 S SMITH GARY B (CEO) 2952 @ 565.92 = 1670596 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000023/
- 2026-05-15 S Gage Brodie (officer) 1200 @ 570.65 = 684780 · https://www.sec.gov/Archives/edgar/data/936395/000199882626000008/
- 2026-05-15 S Rothenstein David M (officer) 2500 @ 562.39 = 1405975 · https://www.sec.gov/Archives/edgar/data/936395/000144415726000014/
- 2026-05-15 S SMITH GARY B (CEO) 2952 @ 562.05 = 1659172 · https://www.sec.gov/Archives/edgar/data/936395/000103255326000021/

## Links

- sec_filings: https://www.sec.gov/edgar/browse/?CIK=0000936395
- sec_xbrl_companyfacts: https://data.sec.gov/api/xbrl/companyfacts/CIK0000936395.json
- sec_form4: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000936395&type=4
- sec_8k: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000936395&type=8-K
- yahoo: https://finance.yahoo.com/quote/CIEN
- stooq: https://stooq.com/q/d/?s=cien.us
- morningstar (link only, nothing stored): https://www.morningstar.com/search?query=CIEN
- finviz (link only, nothing stored): https://finviz.com/quote.ashx?t=CIEN
- stockanalysis (link only, nothing stored): https://stockanalysis.com/stocks/cien/
- seeking_alpha (link only, nothing stored): https://seekingalpha.com/symbol/CIEN
- openinsider (link only, nothing stored): http://openinsider.com/search?q=CIEN
- google_news (link only, nothing stored): https://news.google.com/rss/search?q=CIEN+stock

Cite as: The Claude Trader snapshot 2026-10-26, https://theclaudetrader.com/s/CIEN; data from SEC EDGAR XBRL and market prices (Alpaca Market Data, Yahoo Finance) to 2026-10-23.

Scores are deterministic rule outputs from public filings. fair_value_model is a labelled model estimate from the same filings (method at /fair-value), not an opinion or recommendation.