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CIEN · NYSE · Telephone & Telegraph Apparatus

Ciena Corp

Overview

Ciena Corp is listed on NYSE and classified as Telephone & Telegraph Apparatus. We have no business description beyond that classification; its SEC filings describe the business.

What we have on this company
InformationStatusAs of
Detailed research reportNo report
Rule-based screensScored, on no current shortlist2026-10-31
ValuationModel 29.75 (-91% vs price)2026-10-31
Chart-pattern readNo read
Paper portfolioNever held

Scores

Deterministic rule outputs, snapshot 2026-10-31 · price 320.72 on 2026-10-30. Not recommendations.

MethodScoreInputs as ofFlags
Graham Defensive582025-11-01 stale input
Magic Formula92026-01-31 stale input
Momentum562026-10-30
Insider02026-10-30
Buffett Quality242026-08-01
Lynch GARP222026-08-01
Graham Enterprising452026-08-01
Piotroski F-Score67

Every input with its filing: full score sheet · research packet (JSON) · Markdown · SEC filings.

Valuation

Model estimate from SEC filings · calculated 2026-10-31 from the 2026-10-30 close · filings through 2026-09-03

29.75 -91% vs price

Range 20.30 to 50.47, 3 of 3 methods agree. A labelled model estimate, not a price target. Method.