Ciena
Prices as of 2026-10-20 00:32 UTC. Updates live in your browser.
Base 50, components added, then compressed onto a 2-98 scale. The formula is published and identical on every page.
Market sentiment history
Trading sessions only, so each step is one market day against the one before it. Free history covers the last 30 days; scores are recorded after every US close.
What the score is reading for CIEN
At the Monday 19 October close, CIEN scored 12, 29th of the 34 names here, and not one of the six inputs sat above the board's median. The score was the sum of six unremarkable readings rather than anything pulling it in either direction — which is a finding about CIEN that session, not a gap in the data. Pulling the other way was momentum at -10.6 — the day's move against the previous close.
Across the 15 sessions recorded since 21 September, CIEN has scored between 10 and 84, and that 12 sits near the bottom of that range. Net across the window it is down 55 points, and the largest single-session move was a fall of 37 points on 14 October.
Figures, not reasons. Every number above is the formula's own output for Ciena or a score this site published on a named day; the score describes how the price behaved and has no view on why.
What Ciena does
Supplies optical transport systems that carry traffic between datacentres and across carrier networks, increasingly sold direct to cloud operators.
What moves CIEN
- Datacentre interconnect orders
- Carrier capex cycles
- Coherent optics competition
Related names in optical & networking
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Reading on CIEN
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Common questions
What is datacentre interconnect?
The long-haul links between separate datacentre campuses. As AI training spans multiple sites, the bandwidth needed between them rises sharply.
What is Ciena's market sentiment score right now?
CIEN currently scores 12 out of 100, which reads as frozen. The score combines six weighted, price-based inputs: momentum, relative strength against the complex, trend against its moving averages, volume, volatility and drawdown from the 52-week high. The full breakdown is shown above.
Where does CIEN sit in the AI supply chain?
Ciena is grouped under optical & networking. The interconnect layer. Once a model spans thousands of accelerators, the switches and optics between them become the bottleneck.