CIEN
VENTE TOTALE: 8 856 titres (~3 514 330,32 $ US)
- Insiders
- SMITH GARY B
- Total bought
- —
- Total sold
- $3,514,330
- Last activity
- 2026-09-01
- Last synced
-
2026-09-07 10:23:47
Insider holdings as a share of total assets aren't available for this company.
Price (1 year)
Live chart from TradingView - pulls its own market data, independent of this site's database. Symbol resolution is best-effort (defaults to NASDAQ) since we don't store the exchange prefix.
Market snapshot
Signal
Bearish signal Scored 2026-09-04
CIEN presents a deeply unfavorable risk/reward profile: extreme valuation multiples (P/E >200, EV/EBITDA >70) combined with sharp margin compression and a weak fundamentals trend score of 35 leave little room for error.
The first sentence of the analysis written for CIEN on 2026-09-04 - 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
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 |
| 2025-06-17 | 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 | $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 |
Recent news
- 2026-09-04 Don''t Overlook These 2 AI-Driven Tech Stocks After Earnings: CIEN, NTAP While mega-cap AI stocks tend to grab most of the attention, investors shouldn''t overlook Ciena (CIEN) and NetApp (NTAP) following record earnings reports this week.
- 2026-09-04 Ciena Q3 Earnings Call Flags Supply as Key Constraint on 2027 Growth CIEN sees at least 30% fiscal 2027 revenue growth as backlog heads above $10B, but component supply remains the key constraint on converting demand.
- 2026-09-04 Ciena Outlines Strong 2027 Outlook: What''s Fueling the Momentum? CIEN''s AI-driven optical demand, record backlog and supply agreements underpin strong growth through fiscal 2027.
- 2026-09-04 Ciena: The Business Is Better Than Ever, But The Stock Isn''t Cheap Ciena Corporation is capitalizing on surging AI and hyperscaler demand, driving a record backlog and robust margin expansion. CIEN delivered 37% YoY revenue growth and doubled adjusted operating margin to 22.5%, with 2026 revenue guidance raised to $6.42 billion. Despite strong execution, CIEN trades at a premium valuation (~44x 2026E EPS), with significant customer concentration and industry supply constraints posing risks.
- 2026-09-03 Why Ciena Stock Just Crashed Ciena beat on sales and earnings this morning. Guidance for Q4, however, suggests gross profit margins may slip.
- 2026-09-03 Ciena Corporation Tumbles 10% as In-Line Guidance Overshadows Earnings Beat, Arista Edges Higher Ciena Corporation‘s (NYSE:CIEN | CIEN Price Prediction) fiscal third-quarter beat wasn''t enough to save its stock this morning.
- 2026-09-03 Most Active Options Report: SNOW, CPB, CIEN, ACMR, SCHD SNOW, CPB, CIEN, ACMR, and SCHD are seeing high options activity this afternoon
- 2026-09-03 Ciena Corporation (CIEN) Q3 2026 Earnings Call Transcript Ciena Corporation (CIEN) Q3 2026 Earnings Call Transcript
- 2026-09-03 Ciena (CIEN) Posts Strong Q3 Results Amid Market Sell-Off Ciena (CIEN) experienced a significant decline today, despite reporting impressive Q3 results that surpassed expectations. The company''s adjusted earnings per s
- 2026-09-03 CIEN Q3 Earnings Beat on AI-Led Cloud Demand, Top Line Climbs 37% Y/Y Ciena''s fiscal Q3 2026 earnings jumped 215% as AI-driven cloud demand powered a record quarter, optical momentum and a higher 2026 revenue outlook.