Ciena Corp (CIEN) Stock Price, Quote & News

Company Profile

Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe, the Middle East, Africa, the Asia Pacific, Japan, and India. It operates through Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services segments. The Networking Platforms segment consists optical networking, routing, and switching products and services. This segment products include the 6...

Industry: Communication Equipment

Sector: Technology

Phone: 410 694 5700

Website: www.ciena.com

Address:

7035 Ridge Road, Hanover, United States

TTCM Feb. 5 at 9:23 PM

$CIEN s&P 500 bump is already included.

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msufans Feb. 5 at 5:26 PM

$CIEN shorts are trying very hard to bring down $CIEN. But, its grip is strong.

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parcha Feb. 5 at 1:54 AM

S&P 500 futures rise after latest earnings; traders weigh Alphabet results $CIEN Networking tech company Ciena will join the S&P 500, shares rise Ciena Corp, a provider of networking systems, is set to join the S&P 500. The company will be replacing Dayforce, which software-focused investment firm Thoma Bravo acquired and took private for $12.3 billion. Shares of Ciena rose about 4% in extended trading. https://www.cnbc.com/2026/02/04/stock-market-today-live-updates.html?__source=iosappshare%7Ccom.stocktwits.StockTwits.STShareExtension

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TTCM Feb. 4 at 11:20 PM

$CIEN Just to keep down the suspense

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TTCM Feb. 4 at 11:17 PM

$CIEN When is this supposed to happen?

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BDipNRip Feb. 4 at 10:41 PM

$CIEN being added to S&P Back up the truck

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smartkarma Feb. 4 at 10:23 PM

🚨 BREAKING: CIENA SET TO JOIN S&P 500 $CIEN

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TTCM Feb. 4 at 7:48 PM

$CIEN Why are there posts for $LITE on the $CIEN thread? We’re all supposed to run and buy because some schlub feels the need to broadcast bs

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TTCM Feb. 4 at 7:42 PM

$CIEN Hopefully this recovers quickly

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smartkarma Feb. 4 at 6:34 PM

$CIEN | Ciena Corp (CIEN US): Poised for S&P500 Inclusion Amid Price Surge and Dayforce Acquisition "Thoma Bravo completes $12.3bn acquisition of Dayforce, with CIEN forecasted as main replacement in S&P500 despite sector balance. Other candidates include COHR, ALNY and LNG." - Dimitris Ioannidis (ORTEX) Read more: https://www.smartkarma.com/insights/ciena-corp-cien-us-poised-for-s-p500-inclusion-amid-price-surge-and-dayforce-acquisition

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Ciena Announces Reporting Date and Web Broadcast for Fiscal First Quarter 2026 Results

Feb 4, 2026, 7:07 PM EST - 1 day ago

Ciena returns to S&P 500 after getting booted 17 years ago

Feb 4, 2026, 6:50 PM EST - 1 day ago

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Jan 29, 2026, 9:00 AM EST - 7 days ago

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Jan 27, 2026, 9:00 AM EST - 9 days ago

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Jan 20, 2026, 1:30 PM EST - 16 days ago

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Jan 12, 2026, 3:58 PM EST - 24 days ago

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Dec 16, 2025, 7:57 AM EST - 7 weeks ago

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Dec 12, 2025, 12:01 PM EST - 7 weeks ago

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Dec 12, 2025, 9:27 AM EST - 7 weeks ago

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Dec 11, 2025, 3:48 PM EST - 2 months ago

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Dec 11, 2025, 11:20 AM EST - 2 months ago

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TTCM Feb. 5 at 9:23 PM

$CIEN s&P 500 bump is already included.

0 · Reply

msufans Feb. 5 at 5:26 PM

$CIEN shorts are trying very hard to bring down $CIEN. But, its grip is strong.

0 · Reply

parcha Feb. 5 at 1:54 AM

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TTCM Feb. 4 at 11:20 PM

$CIEN Just to keep down the suspense

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TTCM Feb. 4 at 11:17 PM

$CIEN When is this supposed to happen?

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BDipNRip Feb. 4 at 10:41 PM

$CIEN being added to S&P Back up the truck

0 · Reply

smartkarma Feb. 4 at 10:23 PM

🚨 BREAKING: CIENA SET TO JOIN S&P 500 $CIEN

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TTCM Feb. 4 at 7:48 PM

$CIEN Why are there posts for $LITE on the $CIEN thread? We’re all supposed to run and buy because some schlub feels the need to broadcast bs

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TTCM Feb. 4 at 7:42 PM

$CIEN Hopefully this recovers quickly

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smartkarma Feb. 4 at 6:34 PM

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txbondman Feb. 4 at 2:49 PM

sld some winners (partial) to take profits. sld $CIEN for a 485% gain; sld $TER for a 290% gain;

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JasonCO Feb. 4 at 1:24 PM

$CIEN we like the stock

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wait4theFatMitch Feb. 4 at 1:11 PM

$LITE $MU $CIEN Well, this worked out nicely. 💰

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TalkMarkets Feb. 4 at 10:41 AM

This Price Zone Has Saved The S&P 500 4 Times In A Row (Here's Why) $SPX $CIEN $IMNM $LECO https://talkmarkets.com/content/stocks--equities/this-price-zone-has-saved-the-sp-500-4-times-in-a-row-heres-why?post=554744&userid=166882

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Xcccc Feb. 4 at 5:48 AM

$CIEN Agreed! Siberian Freight Train

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SamsonStreet Feb. 4 at 12:23 AM

$CIEN 52-week high. There’s no stopping this train.

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BullseyeGains Feb. 3 at 9:13 PM

$LITE Up $65+ since strong buy call only 1 hour ago. Congrats to all of our followers who bought. Should break above $500 on the conference call. Unbelievable guidance even above our lofty expectations. This should be great news tomorrow for other AI networking names like $CRDO $ALAB $CIEN🎯🚀💰

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MaverikIT Feb. 3 at 8:26 PM

@cfromhertz $LITE been on fire$ $CIEN $COHR - $FN was but pooper today

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Iwannagofast1 Feb. 3 at 3:50 PM

$CIEN Sold , 25% left , gone at 300

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Nick_Drendel Feb. 2 at 9:10 PM

A look at how the leaders acted 2/2/26: 🔥 9/9 Up on the day 📈 CIEN, GLW, $GOOGL, SNDK, MU - New Closing Highs! 🔍 Optic Stocks Flex Strength - $CIEN $GLW 🔁 CIEN, GLW n, PL, RKLB Out https://join.marketpulsetrader.com/NDST ASML BE CIEN GLW GOOGL LRCX MU PL WDC

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kayjed Feb. 2 at 8:09 PM

$AAOI $LITE Lumentum (LITE) reports tomorrow after the bell. Conference color and projections will *DEFINITELY* affect $AAOI stock price. If they see optical ramps, then... Also, keep an eye on $CIEN.

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Synergiex Feb. 2 at 8:05 PM

$COHR $LITE $CIEN dude this sector is relentless just like memory sectoe stocks. Mind you this powerful move is right before their ER too showing how big the conviction is Hope $POET will join them soon too and once it moves it will be parabolic

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Market Cap	38.95B
Revenue (ttm)	4.77B
Net Income (ttm)	123.34M
EPS (ttm)	N/A
PE Ratio	168.86
Forward PE	62.92
Profit Margin	2.59%
Debt to Equity Ratio	0.56

Volume	3,313,703
Avg Vol	2,940,372
Day's Range	N/A - N/A
Shares Out	140.86M
Stochastic %K	50%
Beta	1.13
Analysts	Strong Sell
Price Target	$250.06