ADTN vs. CIEN
ADTN (ADTRAN, Inc.) and CIEN (Ciena Corporation) are both stocks. Both operate in the Communication Equipment industry within the Technology sector. Over the past 10 years, ADTN returned -1.96%/yr vs 36.39%/yr for CIEN. At a 0.42 correlation, their price movements are largely independent.
Performance
ADTN vs. CIEN - Performance Comparison
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Returns By Period
In the year-to-date period, ADTN achieves a 43.04% return, which is significantly lower than CIEN's 90.46% return. Over the past 10 years, ADTN has underperformed CIEN with an annualized return of -1.96%, while CIEN has yielded a comparatively higher 36.39% annualized return.
ADTN
- 1D
- -7.51%
- 1M
- -18.55%
- 6M
- 32.80%
- YTD
- 43.04%
- 1Y
- 35.11%
- 3Y*
- 6.83%
- 5Y*
- -7.82%
- 10Y*
- -1.96%
CIEN
- 1D
- -3.32%
- 1M
- -0.12%
- 6M
- 90.15%
- YTD
- 90.46%
- 1Y
- 472.91%
- 3Y*
- 120.66%
- 5Y*
- 50.88%
- 10Y*
- 36.39%
ADTN vs. CIEN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ADTN ADTRAN, Inc. | 43.04% | 4.32% | 13.49% | -59.88% | -16.28% | 57.43% | 54.41% | -5.22% | -43.14% | -11.96% |
CIEN Ciena Corporation | 90.46% | 175.76% | 88.42% | -11.71% | -33.77% | 45.64% | 23.80% | 25.89% | 62.02% | -14.26% |
Correlation
The correlation between ADTN and CIEN is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.46 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.44 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.49 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.49 |
Correlation (All Time) Calculated using the full available price history since Feb 7, 1997 | 0.42 |
Fundamentals
ADTN:
$1.01B
CIEN:
$63.05B
ADTN:
-$0.37
CIEN:
$3.01
ADTN:
0.89
CIEN:
11.64
ADTN:
7.26
CIEN:
22.53
ADTN:
$1.12B
CIEN:
$5.57B
ADTN:
$432.77M
CIEN:
$2.40B
ADTN:
$56.05M
CIEN:
$670.55M
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Return for Risk
ADTN vs. CIEN — Risk / Return Rank
ADTN
CIEN
ADTN vs. CIEN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ADTRAN, Inc. (ADTN) and Ciena Corporation (CIEN). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ADTN | CIEN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -6.41 | ||
| Sortino ratioReturn per unit of downside risk | -3.52 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.66 | -0.51 |
| Calmar ratioReturn relative to maximum drawdown | 0.98 | 14.37 | -13.39 |
| Martin ratioReturn relative to average drawdown | 2.32 | 47.23 | -44.91 |
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Drawdowns
ADTN vs. CIEN - Drawdown Comparison
The maximum ADTN drawdown since its inception was -87.92%, smaller than the maximum CIEN drawdown of -99.51%. Use the drawdown chart below to compare losses from any high point for ADTN and CIEN.
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Drawdown Indicators
| ADTN | CIEN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -87.92% | -99.51% | +11.59% |
Max Drawdown (1Y)Largest decline over 1 year | -35.93% | -33.19% | -2.74% |
Max Drawdown (3Y)Largest decline over 3 years | -57.54% | -45.51% | -12.03% |
Max Drawdown (5Y)Largest decline over 5 years | -81.99% | -49.54% | -32.45% |
Max Drawdown (10Y)Largest decline over 10 years | -81.99% | -49.54% | -32.45% |
Current DrawdownCurrent decline from peak | -65.72% | -57.44% | -8.28% |
Average DrawdownAverage peak-to-trough decline | -47.94% | -87.00% | +39.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.17% | 10.08% | +5.09% |
Volatility
ADTN vs. CIEN - Volatility Comparison
The current volatility for ADTRAN, Inc. (ADTN) is 16.10%, while Ciena Corporation (CIEN) has a volatility of 19.37%. This indicates that ADTN experiences smaller price fluctuations and is considered to be less risky than CIEN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ADTN | CIEN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 16.10% | 19.37% | -3.27% |
Volatility (6M)Calculated over the trailing 6-month period | 50.18% | 53.19% | -3.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 67.56% | 68.96% | -1.40% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 55.73% | 49.24% | +6.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 50.62% | 44.60% | +6.02% |
Dividends
ADTN vs. CIEN - Dividend Comparison
Neither ADTN nor CIEN has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ADTN ADTRAN, Inc. | 0.00% | 0.00% | 0.00% | 3.68% | 1.92% | 1.58% | 2.44% | 3.64% | 3.35% | 1.86% | 1.61% | 2.09% |
CIEN Ciena Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
ADTN vs. CIEN - Financials Comparison
This section allows you to compare key financial metrics between ADTRAN, Inc. and Ciena Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ADTN vs. CIEN - Profitability Comparison
ADTN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, ADTRAN, Inc. reported a gross profit of 112.99M and revenue of 286.09M. Therefore, the gross margin over that period was 39.5%.
CIEN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Ciena Corporation reported a gross profit of 691.55M and revenue of 1.57B. Therefore, the gross margin over that period was 44.0%.
ADTN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, ADTRAN, Inc. reported an operating income of 6.38M and revenue of 286.09M, resulting in an operating margin of 2.2%.
CIEN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Ciena Corporation reported an operating income of 237.87M and revenue of 1.57B, resulting in an operating margin of 15.1%.
ADTN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, ADTRAN, Inc. reported a net income of 4.76M and revenue of 286.09M, resulting in a net margin of 1.7%.
CIEN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Ciena Corporation reported a net income of 218.22M and revenue of 1.57B, resulting in a net margin of 13.9%.
Frequently Asked Questions
ADTN and CIEN have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CIEN has higher volatility (19.37%) compared to ADTN (16.10%). In terms of maximum drawdown, ADTN dropped -87.92% vs CIEN's -99.51%.
CIEN currently has the higher Sharpe Ratio (6.93 vs 0.52), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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