$CIEN
Ciena Corporation
XNYS•Technology•Telephone & Telegraph Apparatus
Why is CIEN up today? It is at $415.55 (+1.64%), and our scanner flagged it 170 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment CIEN spikes, and full due diligence on CIEN — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $415.55
- Change today
- +1.64%
- Previous close
- $408.83
- 52-week range
- $84.41 – $637.51
- Market cap
- $57.87B
- Institutional own.
- 99.9%
- Total held
- 99.9%
- Tradeable float
- 142K 0% of shares · after 100% institutions
- Short interest
- 4.0M ▲ +4% vs prior · as of 2026-07-15
- Days to cover
- 2.4d
- Avg daily volume
- 2.9M
- Next earnings
- Sep 3 · in 28d
- Sector
- Technology
- Industry
- Telephone & Telegraph Apparatus
- Exchange
- XNYS
- 5m
- 1.0x
- 15m
- 1.1x
- 1h
- 0.7x
- 1D
- 0.1x
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Why is $CIEN up today?
CIEN is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on CIEN today, peaking at 2.4x its normal volume.
Likely catalystPriced share offering, from the latest SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
Insiders
1 buys, 27 sells last 3 months (17/102 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Smith Gary B Officer | Sold (automatic/other) | -3K | sold 1.2% | 249K | $1.1M at $379.81 | Aug 3, 26 |
Graff Marc D. Officer | Sold (automatic/other) | -14K 0.01% of company | sold 11% | 113K | $5.4M at $377.05 | Aug 1, 26 |
Diperna Dino Officer | Sold (automatic/other) | -782 | sold 1.9% | 40K | $351K at $449.15 | Jul 15, 26 |
Gage Brodie Officer | Sold (automatic/other) | -1K | sold 2.9% | 40K | $539K at $449.15 | Jul 15, 26 |
Rothenstein David M Officer | Sold (automatic/other) | -3K | sold 1.3% | 183K | $1.1M at $420.91 | Jul 15, 26 |
Smith Gary B Officer | Sold (automatic/other) | -3K | sold 1.2% | 252K | $1.2M at $421.10 | Jul 15, 26 |
Smith Gary B Officer | Sold (automatic/other) | -3K | sold 1.1% | 255K | $1.4M at $468.83 | Jul 1, 26 |
Phipps Jason Officer | Sold (automatic/other) | -3K | sold 4.0% | 62K | $1.2M at $466.20 | Jul 1, 26 |
Graff Marc D. Officer | Sold (automatic/other) | -126 | sold <0.1% | 127K | $59K at $466.20 | Jul 1, 26 |
Kosaraju Sheela Officer | Sold (automatic/other) | -2K | sold 2.2% | 88K | $938K at $466.20 | Jul 1, 26 |
Cumello Joseph Officer | Sold (automatic/other) | -2K | sold 3.6% | 43K | $740K at $466.33 | Jun 26, 26 |
Graff Marc D. Officer | Sold (automatic/other) | -126 | sold <0.1% | 127K | $57K at $449.36 | Jun 24, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$CIEN Sentiment
NeutralBlend of news sentiment, today’s move, and community votes. Not investment advice.
$CIEN Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.
Stocks similar to CIEN
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CIEN stock FAQ
Why is $CIEN up today?
CIEN is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on CIEN today, peaking at 2.4x its normal volume.
What is the CIEN stock price today?
CIEN last traded at $415.55, up 1.64% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
When does CIEN report earnings?
Ciena Corporation (CIEN) is next expected to report earnings on Thursday, September 3, 2026, about 28 days away. Earnings reports often cause large overnight gaps, so many traders manage risk around the date. The date can shift until the company officially confirms it.
Where can I see live CIEN alerts?
The CIEN Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged CIEN 170 times in the last 30 days.
What exchange is CIEN on?
CIEN (Ciena Corporation) trades on XNYS, with a market cap of about $57.87B in the TELEPHONE & TELEGRAPH APPARATUS sector.
Is CIEN good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge CIEN for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.