CIEN

-11.0%🟢 Fundamentally supported

Ciena Corporation · Technology

$356.33Vol 3.31M · 1.1× normalMkt cap −$6.25Bafter · 2026-10-14 ET

What happened

Move

-11.0%

Price

$356.33

Volume

3.31M

1.1× normal

Market cap

$50.53B

−$6.25B today

Why it moved

Earnings releasemedium confidence

AI Infrastructure Stocks With Real Earnings Leverage From Ciena, Micron And KLA — finnhub-news
Ciena's revenue could grow up to 40% as AI demand outstrips supply, says Bank of America — finnhub-news

Possible catalyst: earnings release, 8.3pp below its sector.

Verdict — was the move justified?

🟢 Fundamentally supported

Earnings release — direction and rough magnitude are consistent with the identified fundamental catalyst.

How unusual is this move

σ score

2.6σ

vs own 20d volatility

Percentile

99th

of 1277 daily moves

Avg daily move

±2.2%

own 5y average

vs sector

-8.3%

beyond sector median

Today’s move is among the largest 1% of CIEN’s daily moves over the last 5 years — while the sector moved -2.7% and the market -0.6%.

What happened after similar moves

22 similar down moves in CIEN’s 5-year history:

After 5 days

+5.1%

62% higher

After 20 days

+13.8%

67% higher

Median of same-direction moves within ±35% magnitude band. Past patterns don’t predict outcomes — context, not signal.

Fundamental context

V 22G 37P 72H 73Q 97EW 43/65

Insider activity (90d): net selling $4.64M

Valuation context

P/E (TTM)

77.9

5y median 41.9

P/E percentile

65%

vs own 5y history

FCF yield

0.0%

Valuation sits near the middle of its own historical range (65th percentile).

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