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Check out our Dark Pool Levels

CIEN
Ciena Corporation
stock NYSE

At Close
Sep 25, 2026 3:59:56 PM EDT
356.51USD-0.536%(-1.92)1,618,513
0.00Bid   0.00Ask   0.00Spread
Pre-market
Sep 25, 2026 9:27:30 AM EDT
367.65USD+2.573%(+9.22)7,548
After-hours
Sep 25, 2026 4:39:30 PM EDT
355.63USD-0.246%(-0.88)39,568
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
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Market Cap
50.54B
CEO
Gary Smith
Headquarters
Hanover, Maryland, USA
Industry
Communication Equipment
Last Split
Sep 25, 20061for6.9999reverse
Related
CSCOADTNINFNJNPRCALXXLK
CIEN Stats
Avg. Vol. 10 Day
2,779,062
Avg. Vol. 30 Day
2,480,771
Employees
5,737
Market Cap
50,544,103,523
Shares Out.
141,808,525
On/Off Exchange
53%/47%
6 Month Beta
2.29
1 Year Beta
2.48
2 Year Beta
2.01
3 Year Beta
1.88
52 Week Low
138.12
52 Week High
637.51
SMA50
376.87
SMA200
387.78
1 Week
+2.19%
1 Month
-11.78%
3 Month
-25.67%
6 Month
-8.14%
1 Year
+151.13%
2 Year
+470.65%
5 Year
+578.39%
Profile
ciena corporation is a global manufacturer of communications network equipment and solutions, with expertise in packet-optical transport, packet-optical switching, carrier ethernet, and network support services. many of the world's largest carriers and service providers have deployed ciena solutions in their network; including at&t, bt, cable & wireless, centurylink, comcast, france telecom, korea telecom, sprint, reliance, southern cross, tata communications, telecom argentina, telmex, virgin media and verizon. ciena also counts numerous national research and education networks as customers, as well as enterprises in the healthcare, finance, transportation and retail industries for real-time, latency sensitive applications such as disaster recovery/business continuity, san/lan extension, data center consolidation and grid computing. we specialize in helping customers transition to service driven networks that fundamentally change the way they compete. with expertise in optical a

CIEN Stock Summary

Ciena Corporation (NYSE:CIEN) stock price today is $356.51, and today's volume is 1,618,513. CIEN is down -0.536% today. The 30 day average volume is 2,480,771. CIEN market cap is 50.54B with 141,808,525 shares outstanding.



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