CIEN
Neutral signal
Factor checklist — research, not advice
A check leans with a bullish reading. A cross leans against it. A dash is unavailable or mixed.
- Insider Pulls against a bullish reading. Selling cluster — sale value, no purchase value
- Congress Supports a bullish reading. 2 purchase disclosures year to date
- Financial indicators Supports a bullish reading. Current ratio 2.73 · operating margin 6.5%
- Narrative Unavailable or mixed. Stored narrative reading is in the neutral band
- Timing Supports a bullish reading. Interesting trend — weekly bias up
VENTE TOTALE: 12 594 titres (~4 709 897,84 $ US)
- Insiders
- NEVENS THOMAS MICHAELSMITH GARY B
- Total bought
-
—
Avg buy (VWAP, 90d window) —
- Total sold
-
$4,709,898
Avg sell (VWAP, 90d window) $414.21 vs last close $358.43 (-13.5%)
- Last activity
- 2026-09-23
- Liquidity
- Liquid $1,005,206,541/day · 20d vol
- Last synced
-
2026-09-25 21:09:17
Sign in to request a sync of this company's price history and timing levels.
Insider holdings as a share of total assets aren't available for this company.
Avg buy and avg sell are volume-weighted prices (sum of shares × price, divided by shares) for Form 4 rows in this 90-day window that report both figures. A comparison with last close is market context for that average, not advice.
Recent Form 4
Filings in the 90-day window for this company. Value is shares × price from the filing. Research, not advice.
| Date | Person | Side | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|
| 2026-09-16 | DiPerna Dino | Sell | 249 | $350.00 | $87,150 | Form 4 |
| 2026-09-15 | DiPerna Dino | Sell | 249 | $324.86 | $80,890 | Form 4 |
| 2026-09-15 | Gage Brodie | Sell | 1,200 | $324.86 | $389,832 | Form 4 |
| 2026-09-15 | Rothenstein David M | Sell | 2,500 | $330.48 | $826,208 | Form 4 |
| 2026-09-15 | SMITH GARY B | Sell | 2,952 | $330.18 | $974,688 | Form 4 |
| 2026-09-01 | SMITH GARY B | Sell | 2,952 | $362.90 | $1,071,278 | Form 4 |
| 2026-08-17 | Gage Brodie | Sell | 1,200 | $439.24 | $527,088 | Form 4 |
| 2026-08-17 | SMITH GARY B | Sell | 2,952 | $447.78 | $1,321,840 | Form 4 |
| 2026-08-14 | Graff Marc D. | Sell | 4,995 | $430.72 | $2,151,435 | Form 4 |
| 2026-08-14 | Rothenstein David M | Sell | 2,500 | $438.10 | $1,095,250 | Form 4 |
| 2026-08-03 | SMITH GARY B | Sell | 2,952 | $379.81 | $1,121,212 | Form 4 |
| 2026-07-15 | DiPerna Dino | Sell | 391 | $449.15 | $175,618 | Form 4 |
| 2026-07-15 | Gage Brodie | Sell | 1,200 | $449.15 | $538,980 | Form 4 |
| 2026-07-15 | Rothenstein David M | Sell | 2,500 | $420.91 | $1,052,284 | Form 4 |
| 2026-07-15 | SMITH GARY B | Sell | 2,952 | $421.10 | $1,243,098 | Form 4 |
| 2026-07-01 | Graff Marc D. | Sell | 126 | $466.20 | $58,741 | Form 4 |
| 2026-07-01 | Kosaraju Sheela | Sell | 2,013 | $466.20 | $938,461 | Form 4 |
| 2026-07-01 | Phipps Jason | Sell | 2,629 | $466.20 | $1,225,640 | Form 4 |
| 2026-07-01 | SMITH GARY B | Sell | 2,952 | $468.83 | $1,383,972 | Form 4 |
| 2026-06-26 | Cumello Joseph | Sell | 1,586 | $466.33 | $739,599 | Form 4 |
Price (1 year)
Live chart from TradingView — independent market data, as price context around the filings, not the Quorum score. EMA 50/200 and Bollinger load by default. When the exchange is known it is sent as EXCHANGE:SYMBOL; otherwise TradingView resolves the ticker best-effort.
Market snapshot
Signal
Neutral signalScored 2026-09-21
CIEN presents a compelling event-driven catalyst with its investor forum outlining a $14B FY29 revenue target and 50% gross margin ambitions, supported by strong analyst conviction (catalyst score 75, confidence 0.8).
The first sentence of the analysis written for CIEN on 2026-09-21 - a real excerpt, not a sample. The rest of it, the 0-100 score and the rating it produced are part of Plus. See plans.
Financial ratios
| Metric | Trend | 2025-11-01 | 2024-11-02 | 2023-10-28 | 2022-10-29 | 2021-10-30 |
|---|---|---|---|---|---|---|
| Gross Profit Margin | 42.0% | 42.8% | 42.8% | 43.0% | 47.6% | |
| Ebit Margin | 5.2% | 5.4% | 9.5% | 6.5% | 13.6% | |
| Ebitda Margin | 8.1% | 8.8% | 12.7% | 10.3% | 17.3% | |
| Operating Profit Margin | 6.5% | 4.8% | 8.8% | 7.1% | 13.7% | |
| Pretax Profit Margin | 3.3% | 3.0% | 7.4% | 5.0% | 12.8% | |
| Continuous Operations Profit Margin | 2.6% | 2.1% | 5.8% | 4.2% | 13.8% | |
| Net Profit Margin | 2.6% | 2.1% | 5.8% | 4.2% | 13.8% | |
| Bottom Line Profit Margin | 2.6% | 2.1% | 5.8% | 4.2% | 13.8% | |
| Current Ratio | 2.725 | 3.524 | 3.810 | 3.254 | 3.484 | |
| Quick Ratio | 2.094 | 2.704 | 2.683 | 2.344 | 3.072 | |
| Solvency Ratio | 0.084 | 0.077 | 0.144 | 0.124 | 0.343 | |
| Cash Ratio | 0.835 | 0.935 | 1.084 | 0.956 | 1.565 | |
| Price To Earnings Ratio | 218.299 | 110.293 | 23.988 | 47.772 | 16.860 | |
| Price To Earnings Growth Ratio | 4.366 | -1.669 | 0.346 | -0.696 | 0.448 | |
| Forward Price To Earnings Growth Ratio | 4.366 | -1.669 | 0.346 | -0.696 | 0.448 | |
| Price To Earnings Diluted Ratio | 223.435 | 110.293 | 23.988 | 48.250 | 17.019 | |
| Price To Earnings Diluted Growth Ratio | 4.800 | -1.669 | 0.338 | -0.703 | 0.454 | |
| Price To Book Ratio | 9.896 | 3.287 | 2.145 | 2.689 | 2.791 | |
| Price To Sales Ratio | 5.663 | 2.306 | 1.393 | 2.008 | 2.328 | |
| Price To Free Cash Flow Ratio | 40.600 | 24.498 | 98.347 | -28.215 | 18.243 | |
| Price To Operating Cash Flow Ratio | 33.508 | 17.992 | 36.302 | -43.490 | 15.564 | |
| Debt To Assets Ratio | 0.270 | 0.289 | 0.296 | 0.234 | 0.165 | |
| Debt To Equity Ratio | 0.580 | 0.580 | 0.582 | 0.437 | 0.266 | |
| Debt To Capital Ratio | 0.367 | 0.367 | 0.368 | 0.304 | 0.210 | |
| Long Term Debt To Capital Ratio | 0.358 | 0.352 | 0.351 | 0.281 | 0.182 | |
| Financial Leverage Ratio | 2.149 | 2.003 | 1.967 | 1.869 | 1.611 | |
| Working Capital Turnover Ratio | 1.995 | 1.561 | 1.767 | 1.578 | 1.768 | |
| Operating Cash Flow Ratio | 0.616 | 0.515 | 0.181 | -0.161 | 0.596 | |
| Operating Cash Flow Sales Ratio | 0.169 | 0.128 | 0.038 | -0.046 | 0.150 | |
| Free Cash Flow Operating Cash Flow Ratio | 0.825 | 0.734 | 0.369 | 1.541 | 0.853 | |
| Debt Service Coverage Ratio | 3.439 | 2.865 | 4.678 | 5.778 | 17.332 | |
| Interest Coverage Ratio | 3.387 | 1.939 | 4.135 | 4.857 | 15.791 | |
| Short Term Operating Cash Flow Coverage Ratio | 69.611 | 43.977 | 14.387 | -24.207 | 78.160 | |
| Operating Cash Flow Coverage Ratio | 0.509 | 0.315 | 0.102 | -0.141 | 0.674 | |
| Capital Expenditure Coverage Ratio | 5.725 | 3.766 | 1.585 | -1.847 | 6.809 | |
| Dividend Paid And Capex Coverage Ratio | 5.725 | 3.766 | 1.585 | -1.847 | 6.809 | |
| Dividend Payout Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Enterprise Value Multiple | 70.808 | 28.286 | 12.090 | 19.931 | 12.470 |
Sparkline shows each ratio oldest → newest (left → right).
How the latest year compares
For each ratio: its most recent value, the change versus one year earlier, and versus its 5-year average. ▲ higher ▼ lower
| Metric | Current | vs 1Y ago | vs 5Y avg |
|---|---|---|---|
| Gross Profit Margin | 42.0% | ▼-0.8% | ▼-1.6% |
| Ebit Margin | 5.2% | ▼-0.2% | ▼-2.9% |
| Ebitda Margin | 8.1% | ▼-0.6% | ▼-3.3% |
| Operating Profit Margin | 6.5% | ▲1.8% | ▼-1.7% |
| Pretax Profit Margin | 3.3% | ▲0.3% | ▼-3.0% |
| Continuous Operations Profit Margin | 2.6% | ▲0.5% | ▼-3.1% |
| Net Profit Margin | 2.6% | ▲0.5% | ▼-3.1% |
| Bottom Line Profit Margin | 2.6% | ▲0.5% | ▼-3.1% |
| Current Ratio | 2.725 | ▼-0.799 | ▼-0.634 |
| Quick Ratio | 2.094 | ▼-0.610 | ▼-0.486 |
| Solvency Ratio | 0.084 | ▲0.007 | ▼-0.070 |
| Cash Ratio | 0.835 | ▼-0.100 | ▼-0.240 |
| Price To Earnings Ratio | 218.299 | ▲108.006 | ▲134.856 |
| Price To Earnings Growth Ratio | 4.366 | ▲6.035 | ▲3.807 |
| Forward Price To Earnings Growth Ratio | 4.366 | ▲6.035 | ▲3.807 |
| Price To Earnings Diluted Ratio | 223.435 | ▲113.142 | ▲138.838 |
| Price To Earnings Diluted Growth Ratio | 4.800 | ▲6.469 | ▲4.156 |
| Price To Book Ratio | 9.896 | ▲6.609 | ▲5.734 |
| Price To Sales Ratio | 5.663 | ▲3.357 | ▲2.923 |
| Price To Free Cash Flow Ratio | 40.600 | ▲16.102 | ▲9.905 |
| Price To Operating Cash Flow Ratio | 33.508 | ▲15.516 | ▲21.533 |
| Debt To Assets Ratio | 0.270 | ▼-0.020 | ▲0.019 |
| Debt To Equity Ratio | 0.580 | ▲0.000 | ▲0.091 |
| Debt To Capital Ratio | 0.367 | 0.000 | ▲0.044 |
| Long Term Debt To Capital Ratio | 0.358 | ▲0.006 | ▲0.053 |
| Financial Leverage Ratio | 2.149 | ▲0.145 | ▲0.229 |
| Working Capital Turnover Ratio | 1.995 | ▲0.434 | ▲0.261 |
| Operating Cash Flow Ratio | 0.616 | ▲0.102 | ▲0.267 |
| Operating Cash Flow Sales Ratio | 0.169 | ▲0.041 | ▲0.081 |
| Free Cash Flow Operating Cash Flow Ratio | 0.825 | ▲0.091 | ▼-0.039 |
| Debt Service Coverage Ratio | 3.439 | ▲0.574 | ▼-3.379 |
| Interest Coverage Ratio | 3.387 | ▲1.448 | ▼-2.635 |
| Short Term Operating Cash Flow Coverage Ratio | 69.611 | ▲25.634 | ▲33.225 |
| Operating Cash Flow Coverage Ratio | 0.509 | ▲0.194 | ▲0.218 |
| Capital Expenditure Coverage Ratio | 5.725 | ▲1.960 | ▲2.518 |
| Dividend Paid And Capex Coverage Ratio | 5.725 | ▲1.960 | ▲2.518 |
| Dividend Payout Ratio | 0.000 | 0.000 | 0.000 |
| Enterprise Value Multiple | 70.808 | ▲42.521 | ▲42.090 |
Key metrics
| Metric | Trend | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Market cap | $27.01B | $9.26B | $6.11B | $7.30B | $8.43B | |
| Enterprise value | $27.50B | $9.95B | $6.76B | $7.49B | $7.81B | |
| EV / Sales | 5.77x | 2.48x | 1.54x | 2.06x | 2.16x | |
| EV / Op. cash flow | 34.12x | 19.35x | 40.14x | -44.63x | 14.42x | |
| EV / Free cash flow | 41.34x | 26.34x | 108.75x | -28.96x | 16.90x | |
| EV / EBITDA | 70.81x | 28.29x | 12.09x | 19.93x | 12.47x | |
| Net debt / EBITDA | 1.26x | 1.98x | 1.16x | 0.51x | -0.99x | |
| Current ratio | 2.73x | 3.52x | 3.81x | 3.25x | 3.48x | |
| Income quality | 6.54x | 6.13x | 0.66x | -1.10x | 1.08x | |
| Graham number | $19 | $16 | $27 | $20 | $38 | |
| Graham net-net | -$4 | -$2 | -$1 | $1 | $5 | |
| Tax burden | 78.9% | 70.1% | 78.7% | 83.8% | 108.1% | |
| Interest burden | 63.0% | 54.9% | 77.7% | 77.5% | 93.7% | |
| Working capital | $2.26B | $2.52B | $2.62B | $2.35B | $2.26B | |
| Invested capital | $3.04B | $3.50B | $3.58B | $3.06B | $2.96B | |
| Return on assets | 2.1% | 1.5% | 4.5% | 3.0% | 10.3% | |
| Operating ROA | 5.4% | 3.4% | 7.2% | 5.2% | 11.0% | |
| Return on tangible assets | 2.4% | 1.7% | 5.1% | 3.3% | 11.1% | |
| Return on equity | 4.5% | 3.0% | 8.9% | 5.6% | 16.6% | |
| Return on invested capital | 5.3% | 2.9% | 6.5% | 5.3% | 12.5% | |
| Return on capital employed | 6.8% | 4.1% | 8.2% | 6.4% | 12.5% | |
| Earnings yield | 0.5% | 0.9% | 4.2% | 2.1% | 5.9% | |
| Free cash flow yield | 2.5% | 4.1% | 1.0% | -3.5% | 5.5% | |
| Capex / Op. cash flow | 17.5% | 26.6% | 63.1% | -54.1% | 14.7% | |
| Capex / Depreciation | 100.3% | 102.4% | 74.7% | 64.8% | 60.1% | |
| Capex / Sales | 3.0% | 3.4% | 2.4% | 2.5% | 2.2% | |
| SG&A / Sales | 17.2% | 18.2% | 16.1% | 17.8% | 17.5% | |
| R&D / Sales | 17.8% | 19.1% | 17.1% | 17.2% | 14.8% | |
| Stock comp / Sales | 3.9% | 3.9% | 3.0% | 2.9% | 2.3% | |
| Intangibles / Total assets | 12.7% | 10.8% | 11.6% | 7.8% | 7.7% | |
| Days sales outstanding | 92d | 114d | 99d | 111d | 101d | |
| Days payables outstanding | 72d | 67d | 46d | 91d | 68d | |
| Operating cycle | 201d | 244d | 252d | 277d | 173d | |
| Cash conversion cycle | 129d | 177d | 206d | 186d | 105d |
Change by theme
Grouped by what each metric measures. Each figure is the change over the period shown — ▲ up ▼ down versus then.
Change over 1 year
Valuation
Market cap ▲+191.8%EV / Sales ▲+132.6%EV / EBITDA ▲+150.3%EV / Op. cash flow ▲+14.769Earnings yield ▼-0.005Graham number ▲+3.413
Profitability
Return on equity ▲+0.015Return on assets ▲+0.006Return on invested capital ▲+0.025Return on capital employed ▲+0.027Operating ROA ▲+0.020Income quality ▲+0.407Tax burden ▲+0.089
Efficiency
Days sales outstanding ▼-22.032Days payables outstanding ▲+4.342Operating cycle ▼-43.408Cash conversion cycle ▼-47.750Capex / Sales ▼-0.005R&D / Sales ▼-0.013
Balance-sheet strength
Current ratio ▼-0.799Net debt / EBITDA ▼-0.719Working capital ▼-266557000.000Invested capital ▼-457396000.000Intangibles / Total assets ▲+0.019
Change over 5 years
Valuation
Market cap ▲+220.4%EV / Sales ▲+167.3%EV / EBITDA ▲+467.8%EV / Op. cash flow ▲+19.695Earnings yield ▼-0.055Graham number ▼-18.194
Profitability
Return on equity ▼-0.120Return on assets ▼-0.082Return on invested capital ▼-0.072Return on capital employed ▼-0.057Operating ROA ▼-0.055Income quality ▲+5.453Tax burden ▼-0.292
Efficiency
Days sales outstanding ▼-9.699Days payables outstanding ▲+3.200Operating cycle ▲+27.439Cash conversion cycle ▲+24.239Capex / Sales ▲+0.008R&D / Sales ▲+0.030
Balance-sheet strength
Current ratio ▼-0.759Net debt / EBITDA ▲+2.250Working capital ▼-746000.000Invested capital ▲+77069000.000Intangibles / Total assets ▲+0.050
Employee count
Peer market caps
Congressional trades
STOCK Act disclosures (90-day window)
Amounts are STOCK Act brackets as disclosed. Quorum does not turn a bracket into an exact price or a midpoint.
No STOCK Act disclosures for this company in this window.
Recent trades
| Date | Representative | Type | Amount |
|---|---|---|---|
| 2026-05-29 | Gilbert Ray Cisneros | Purchase | $1,001 - $15,000 |
| 2026-05-14 | Gilbert Ray Cisneros | Purchase | $1,001 - $15,000 |
| 2025-10-31 | Lisa C. McClain | Sale (Full) | $1,001 - $15,000 |
| 2025-10-30 | Lisa C. McClain | Sale (Full) | $1,001 - $15,000 |
| 2025-10-30 | Lisa C. McClain | Purchase | $1,001 - $15,000 |
| 2025-10-15 | Lisa C. McClain | Sale (Full) | $1,001 - $15,000 |
| 2025-06-17 | Lisa C. McClain | Purchase | $1,001 - $15,000 |
| 2024-09-04 | John James | Sale (Full) | $1,001 - $15,000 |
| 2023-11-10 | John James | Purchase | $1,001 - $15,000 |
| 2023-07-12 | Daniel Goldman | Sale (Full) | $1,001 - $15,000 |
| 2022-06-27 | Ro Khanna | Sale | $1,001 - $15,000 |
| 2022-05-23 | Ro Khanna | Sale | $15,001 - $50,000 |
| 2022-05-10 | Ro Khanna | Purchase | $1,001 - $15,000 |
| 2022-05-05 | Ro Khanna | Purchase | $1,001 - $15,000 |
| 2022-04-13 | Ro Khanna | Sale | $1,001 - $15,000 |
| 2022-04-11 | Ro Khanna | Purchase | $1,001 - $15,000 |
| 2020-11-20 | Lois Frankel | Sale (Full) | $1,001 - $15,000 |
| 2020-07-24 | Lois Frankel | Purchase | $1,001 - $15,000 |
| 2019-03-13 | Earl Blumenauer | Sale (Partial) | $1,001 - $15,000 |
Recent news
- 2026-09-25 Here is Why Growth Investors Should Buy Ciena (CIEN) Now Ciena (CIEN) possesses solid growth attributes, which could help it handily outperform the market.
- 2026-09-24 2 Millionaire-Maker Networking Stocks Powering the AI Buildout Chips, large language models, and software may be the flashy parts of the AI boom, but Arista and Ciena are building the roads that keep the whole thing moving.
- 2026-09-23 Ciena Fell 40%—Now One Analyst Sees 50% Upside Plenty of companies quietly making that boom possible have been overlooked, their shares languishing while the giants soar. Ciena Corporation NYSE: CIEN is a good example.
- 2026-09-23 While GPUs Get the Headlines, These 3 Stocks Build the Networks That Actually Move Data AI training clusters stall the moment data cannot move fast enough between chips, which means the real bottleneck is not silicon but the fiber, switches, and optics surrounding it.
- 2026-09-23 Buy 3 Top-Ranked AI-Led Stocks at Deep Discount to Maximize Your Gains AI infrastructure stocks AMKR, CIEN and TTMI have rallied over 30% in 2026 yet trade more than 30% below 52-week highs.
- 2026-09-23 5 Top-Ranked High-Efficiency Stocks With Strong Profit Potential Five stocks stand out for high efficiency, with strong receivables, asset, inventory and operating margin metrics.
- 2026-09-22 Cisco Sinks 6% While the Tech Sector Rises; Arista and Ciena Hold Flat Cisco Systems (NASDAQ:CSCO | CSCO Price Prediction) stock is sliding through Tuesday''s session while the broader technology tape holds firm. Cisco stock is down 6% to $104.
- 2026-09-22 Ciena Expands Global Subsea Footprint With ACE & ECHO Upgrades CIEN is expanding subsea capacity across key global routes, deploying WL6e technology on ACE and ECHO to boost international connectivity.
- 2026-09-22 Ciena vs. ADTRAN: Which Optical Networking Stock is the Better Buy? CIEN''s surging backlog and optical demand contrast with ADTRAN''s supply, margin and timing pressures as AI networking drives opportunities.
- 2026-09-21 Why This AI Bottleneck Means Ciena Stock Has 58% Upside Ciena stock rises after Evercore ISI upgrades shares of the optical networking company to Outperform.