CIEN · Ciena Corp

Track CIEN — free

$385.00 +5.86 (+1.55%)

S&P 500 member Russell 1000 member Rebalance outlook locked

Market Cap

$49.66B

141.81M

Volume · Oct 1 2.57M Avg daily vol (3M) 2.26M

Up next

Next earnings call

Dec 3, 2026 Est · unconfirmed · in 9 wks

Latest filing: 10-Q

filed Sep 3, 2026

Q3 2026 earnings call transcript

call held Sep 3, 2026

Metrics snapshot

Useful current figures from the complete screener profile.

View all 115 metrics

Revenue (TTM)

$6.02B

Trailing 12 months

Net income (TTM)

$654.41M

Trailing 12 months

Revenue growth YoY

+37.0%

Year over year

Operating margin

12.3%

Trailing 12 months

P / E (TTM)

78.5

Trailing earnings · reciprocal yield 1.3%

FCF yield

1.6%

TTM · current market cap

Return on invested capital

18.2%

Trailing 12 months

Net cash

−$599.84M

Latest balance sheet

Dividend yield

—

Trailing 12 months

Shares change YoY

+1.0%

Year over year · more shares

Price change (1Y)

+141.5%

Trailing year

Short interest

2.5%

Latest settlement · 1.2 days to cover

View all 115 metrics

Equibles Rating

blended score · not investment advice

Overall

Neutral

SellHoldBuy

Technical Buy Momentum Neutral Sentiment Neutral Fundamentals Excellent Quant / Vol Very High

Market backdrop VIX 16.4 · calm Equity put/call 0.57

Technical

price trend

Buy

50 / 200-day cross No cross

Price vs 200-day avg −3%

below

Price vs 50-day avg +1%

above

RSI (14) 56

neutral

MACD trend Positive

52-week position 48%

mid-range

Volume (OBV) Confirms

volume backs price

Momentum

relative strength

Neutral

1-month return +7%

trailing

6-month return −24%

trailing

YTD return +62%

this year

Relative strength −36%

vs S&P · 6-mo

Sentiment

smart money

Neutral

Trend (MA cross) No cross

50d $374 › 200d $390 — 200d above 50d

Institutional flow Accumulating

+14% holders QoQ · +267 funds added

Insider flow Distributing

Net -$2.4M over 90 days · 100% sells

Short interest Rising

2.53% of float · ▲ +7.3% MoM · 1.2 days cover

Volume signal Normal

Volume near normal

Institution breadth Multi-yr high

1,240 holders — near 3-yr high, broad support

Squeeze score 56

elevated · 0–100

Fundamentals

Excellent

Revenue growth +19%

Y/Y

Gross margin 42%

contracting

EPS growth +47%

Y/Y

Free cash flow $665.3M

Valuation P/E 78.2

rich

Buyback $299.0M

remaining

Balance sheet $443.8M

net debt

Quant / Vol

risk profile

Very High

Volatility 73%

annualized · 1-yr

Max drawdown −49%

past year

ATR 5.9%

of price · 14-day

Blended from price, momentum, positioning, fundamentals & volatility · daily-close · not investment advice. Market backdrop is context, not part of the score.

Guidance & track record

what management promised — and delivered

Beat or met 2 of last 3

Latest guidance · from the 8-K filed Sep 3, 2026

Revenue · Fiscal FY 2027 Initiated at least 30%

Adjusted Gross Margin · Fiscal FY 2027 Non-GAAP Initiated 45% – 46%

Adjusted Operating Margin · Fiscal FY 2027 Non-GAAP Initiated 25% – 27%

Guided vs delivered · last 3 settled

Revenue Q1 '22

guided $870M – $910M

guided $870M – $910M $844.44M Miss −5.1%

Revenue fiscal first quarter 2021

guided $735M – $765M

guided $735M – $765M $757.13M In line

Revenue Q3

guided $955M – $985M

guided $955M – $985M $976.71M In line

Guidance from company 8-Ks · delivered figures from as-reported statements · no analyst estimates involved.

Technicals

trend & momentum for long-term holders Buy

0 · 5 · 2

50 / 200-day cross

No cross Neutral

Price vs 200-day avg

−3% Neutral

Price vs 50-day avg

+1% Bullish

RSI (14)

56 Neutral

MACD trend

Positive Bullish

52-week position

48% Neutral

Volume (OBV)

Confirms Neutral

Market signals — smart money & positioning

Mixed

Trend (MA cross) No cross

50d $374 › 200d $390 — 200d above 50d

Institutional flow Accumulating

+14% holders QoQ · +267 funds added

Insider flow Distributing

Net -$2.4M over 90 days · 100% sells

Short interest Rising

2.53% of float · ▲ +7.3% MoM · 1.2 days cover

Volume signal Normal

Volume near normal

Institution breadth Multi-yr high

1,240 holders — near 3-yr high, broad support

Price context

position in its 52-week range

Range low $151 Now $379 · 48% Range high $627

vs 200-day avg -3% vs 50-day avg +1%

Illustrative technical + ownership context — a signal mix, not investment advice.

Key metrics

the company's own KPIs, from written earnings releases and filings

Metric	Latest	Period	YoY
Adjusted (non-GAAP) diluted net income per potential common share non-GAAP	$2.11	Q3 FY2026	—
Adjusted (non-GAAP) gross margin non-GAAP	46.4%	fiscal third quarter 2026	—
Adjusted (non-GAAP) gross profit non-GAAP	$775.76M	Q3 FY2026	—
GAAP → non-GAAP reconciliation GAAP GAAP gross profit 759.27M +2.18M Share-based compensation-products +4.67M Share-based compensation-services +9.65M Amortization of intangible assets = Adjusted (non-GAAP) gross profit 775.76M
Adjusted (non-GAAP) income from operations non-GAAP	$375.73M	Q3 FY2026	—
GAAP → non-GAAP reconciliation GAAP GAAP income from operations 301.18M +16.49M Total adjustments related to gross profit +58.06M Total adjustments related to operating expense = Adjusted (non-GAAP) income from operations 375.73M
Adjusted (non-GAAP) net income non-GAAP	$307.67M	Q3 FY2026	—
GAAP → non-GAAP reconciliation GAAP GAAP net income 266.42M +44.2M Exclude GAAP provision (benefit) for income taxes +74.55M Total adjustments related to income from operations +7.14M Loss on extinguishment of debt -7.72M Gain on early termination of interest rate swaps -76.92M Non-GAAP tax provision on adjusted income before income taxes = Adjusted (non-GAAP) net income 307.67M
Adjusted (non-GAAP) operating expense non-GAAP	$400.03M	Q3 FY2026	—
GAAP → non-GAAP reconciliation GAAP GAAP operating expense 458.09M -20.17M Share-based compensation-research and development -16.62M Share-based compensation-sales and marketing -14.24M Share-based compensation-general and administrative -887K Significant asset impairments and restructuring costs -3.71M Amortization of intangible assets +0K Acquisition and integration costs -2.42M Holdback arrangement = Adjusted (non-GAAP) operating expense 400.03M
Adjusted (non-GAAP) operating margin non-GAAP	22.5%	fiscal third quarter 2026	—
Adjusted EBITDA non-GAAP	$411.1M	fiscal third quarter 2026	—
GAAP → non-GAAP reconciliation GAAP Net income (GAAP) 266.42M +5.8M Add: Interest expense -22.39M Less: Interest and other income, net +7.14M Add: Loss on extinguishment and modification of debt +44.2M Add: Provision (benefit) for income taxes +35.33M Add: Depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements +13.37M Add: Amortization of intangible assets +57.88M Add: Share-based compensation expense +887K Add: Significant asset impairments and restructuring expense +0K Add: Acquisition and integration costs +2.42M Add: Holdback arrangement = Adjusted EBITDA 411.05M
Americas revenue change	$393.2M	Quarter ended August 1, 2026 filing	—
APAC revenue change	$64M	Quarter ended August 1, 2026 filing	—
Average days' sales outstanding (DSOs)	76	fiscal third quarter 2026	—
Blue Planet Automation Software and Services segment profit	$482K	Quarter ended August 1, 2026 filing	—
Cloud provider revenue share	53%	Q3 FY 2026	—
EBITDA	$349.87M	Q3 FY2026	—
GAAP → non-GAAP reconciliation GAAP Net income (GAAP) 266.42M +5.8M Add: Interest expense -22.39M Less: Interest and other income, net +7.14M Add: Loss on extinguishment of debt +44.2M Add: Provision for income taxes +35.33M Add: Depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements +13.37M Add: Amortization of intangible assets = EBITDA 349.87M
EMEA revenue change	$5.5M	Quarter ended August 1, 2026 filing	—
Free cash flow	$116M	Q3 FY 2026	—
GAAP gross margin	45.4%	fiscal third quarter 2026	—
GAAP operating margin	18%	fiscal third quarter 2026	—
Global Services segment profit	$79.14M	Quarter ended August 1, 2026 filing	—
Inventory turns	3.5	fiscal third quarter 2026	—
Networking Platforms segment profit	$412.94M	Quarter ended August 1, 2026 filing	—
Non-U.S. Dollar-denominated revenue percentage	10%	Third quarter of fiscal 2026 filing	—
Platform Software and Services segment profit	$66.69M	Quarter ended August 1, 2026 filing	—
Share repurchases	$172M	Q3 FY 2026	—

Figures exactly as the company stated them in writing · click a metric with a to chart its history · period links open the stating document · "filing" marks figures stated in the 10-K/10-Q · YoY needs an exactly comparable prior-year period

Versus peers

Communication Equipment — same industry group

Open screener →

Company	Mkt cap	YTD	Rev growth Y/Y	P/E	Short % shares
CIEN Ciena Corp this stock	$49.66B	+62.1%	+18.8%	78.2	2.5%
CSCO Cisco Systems, Inc.	$427.06B	+41.2%	+2.8%	32.5	1.5%
LITE Lumentum Holdings Inc.	$84.47B	+183.7%	+24.6%	—	7.3%
HPE Hewlett Packard Enterprise Co	$83.55B	+168.9%	+13.8%	32.4	4.2%
MSI Motorola Solutions, Inc.	$75.61B	+16.9%	+5.7%	36.0	1.9%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section

Ownership

Institutional Holders Accumulating

Holders

1,240

% held: 98.0%
Net QoQ: +729.2K sh
Top holder: FMR LLC

Held Float

View

Held by Funds

Fund positions

963

View

Short & Settlement

Short Interest Rising

Shares short

3.6M

Days to cover: 1.2d
Change: +245.0K sh

View

Short Volume

Short vol %

48%

As of: Oct 1, 2026

Short Total

View

Fails to Deliver

FTD shares

1.2K

Value: $409.0K
As of: Sep 10, 2026

View

Off-Exchange

Off-exchange %

48.2%

Week of: Aug 24, 2026

Off-exch Lit

View

Smart Money

Insider Trades Net selling

Net (90d)

-$2.4M

Buyers / Sellers: 0 / 2

Buyers Sellers

View

Congressional Trades Buy

Member

Gilbert Cisneros

Amount: $1.0K–$15.0K
Traded: May 29, 2026

View

Financials

Revenue (FY)

$4.8B

Net income (FY): $123.3M
EPS diluted: $0.85

View

Buybacks

Authorized

$1.0B

Remaining: $299.0M

Spent Remaining

View

Filings

SEC Filings

Latest

8-K

Filed: Sep 3, 2026
This year: 10

View

Proposed Sales

Value

$746.3K

Shares: 2.1K
Filed: Oct 1, 2026

View

Earnings & Events

Webcasts

Last webcast

Sep 3, 2026

View

Investor Relations

Performance

	5D	20D	120D	MTD	YTD
CIEN	+5.8%	+7.1%	-23.6%	+7.8%	+62.1%
SPY	-0.4%	-0.2%	+12.4%	+0.2%	+12.0%
vs SPY	+6.2%	+7.2%	-36.0%	+7.6%	+50.1%

Capital returns

Buyback program · as of Aug 28, 2026

Authorized

$1.00B

Spent (derived)

$701.00M

Remaining

$299.00M

Spent Remaining

Dividends per share over the trailing 365 days by ex-date · buyback figures as last reported in SEC filings ("spent" derived as authorized − remaining; when several programs run concurrently, authorized is their combined total per the newest filing) · components shown separately — trailing-year buyback spend isn't tracked, so no combined shareholder yield is derived.

Key facts CIK 936395 CUSIP 171779309 13F (30d) 17 filings 15 filers Visit website Investor relations

CIEN · Ciena Corp

Price & Indicators

Up next

Metrics snapshot

Equibles Rating

Guidance & track record

Technicals

Key metrics

Versus peers

At a glance

Performance

Capital returns