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CIEN
Ciena Corporation
stock NYSE

At Close
Jun 9, 2026 3:59:59 PM EDT
439.14USD-5.899%(-27.53)7,930,007
413.71Bid   453.46Ask   39.75Spread
Pre-market
Jun 9, 2026 9:29:30 AM EDT
464.00USD-0.572%(-2.67)154,458
After-hours
Jun 9, 2026 4:59:30 PM EDT
439.38USD+0.055%(+0.24)13,194
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
62.14B
CEO
Gary Smith
Headquarters
Hanover, Maryland, USA
Industry
Communication Equipment
Last Split
Sep 25, 20061for6.9999reverse
Related
CSCOADTNINFNJNPRCALXXLK
CIEN Stats
Avg. Vol. 10 Day
3,456,993
Avg. Vol. 30 Day
2,483,439
Employees
5,737
Market Cap
62,138,901,700
Shares Out.
141,552,922
On/Off Exchange
54%/46%
6 Month Beta
2.60
1 Year Beta
2.66
2 Year Beta
1.98
3 Year Beta
1.79
52 Week Low
70.85
52 Week High
637.51
SMA50
518.60
SMA200
296.11
1 Week
-29.99%
1 Month
-19.91%
3 Month
+37.81%
6 Month
+104.80%
1 Year
+505.82%
2 Year
+857.84%
5 Year
+630.66%
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 $439.14, and today's volume is 7,930,007. CIEN is down -5.899% today. The 30 day average volume is 2,483,439. CIEN market cap is 62.14B with 141,552,922 shares outstanding.



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