REZI vs. CIEN
REZI (Resideo Technologies, Inc.) and CIEN (Ciena Corporation) are both stocks. REZI operates in Security & Protection Services (Industrials), while CIEN operates in Communication Equipment (Technology). Over the past 5 years, REZI returned 0.87%/yr vs 51.76%/yr for CIEN. At a 0.39 correlation, their price movements are largely independent.
Performance
REZI vs. CIEN - Performance Comparison
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Returns By Period
In the year-to-date period, REZI achieves a -11.36% return, which is significantly lower than CIEN's 96.83% return.
REZI
- 1D
- -2.44%
- 1M
- 8.24%
- YTD
- -11.36%
- 6M
- -12.97%
- 1Y
- 48.38%
- 3Y*
- 21.84%
- 5Y*
- 0.87%
- 10Y*
- —
CIEN
- 1D
- 7.50%
- 1M
- -21.14%
- YTD
- 96.83%
- 6M
- 94.44%
- 1Y
- 517.64%
- 3Y*
- 123.88%
- 5Y*
- 51.76%
- 10Y*
- 37.46%
REZI vs. CIEN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
REZI Resideo Technologies, Inc. | -11.36% | 52.36% | 22.48% | 14.41% | -36.80% | 22.44% | 78.21% | -41.95% | -26.61% |
CIEN Ciena Corporation | 96.83% | 175.76% | 88.42% | -11.71% | -33.77% | 45.64% | 23.80% | 25.89% | 14.41% |
Correlation
The correlation between REZI and CIEN is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.19 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.35 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.43 |
Correlation (All Time) Calculated using the full available price history since Oct 29, 2018 | 0.39 |
The correlation between REZI and CIEN shifts across timeframes, from 0.19 (1 year) to 0.43 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
REZI:
$4.83B
CIEN:
$67.35B
REZI:
-$3.23
CIEN:
$3.01
REZI:
0.63
CIEN:
12.03
REZI:
1.98
CIEN:
23.29
REZI:
$7.61B
CIEN:
$5.57B
REZI:
$2.24B
CIEN:
$2.40B
REZI:
-$111.00M
CIEN:
$670.55M
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Return for Risk
REZI vs. CIEN — Risk / Return Rank
REZI
CIEN
REZI vs. CIEN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Resideo Technologies, Inc. (REZI) 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.
| REZI | CIEN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -6.88 | ||
| Sortino ratioReturn per unit of downside risk | -3.51 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.72 | -0.51 |
| Calmar ratioReturn relative to maximum drawdown | 1.22 | 16.47 | -15.25 |
| Martin ratioReturn relative to average drawdown | 2.67 | 66.89 | -64.23 |
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Drawdowns
REZI vs. CIEN - Drawdown Comparison
The maximum REZI drawdown since its inception was -85.93%, smaller than the maximum CIEN drawdown of -99.51%. Use the drawdown chart below to compare losses from any high point for REZI and CIEN.
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Drawdown Indicators
| REZI | CIEN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -85.93% | -99.51% | +13.58% |
Max Drawdown (1Y)Largest decline over 1 year | -39.80% | -31.70% | -8.10% |
Max Drawdown (3Y)Largest decline over 3 years | -47.06% | -45.51% | -1.55% |
Max Drawdown (5Y)Largest decline over 5 years | -56.00% | -49.54% | -6.46% |
Max Drawdown (10Y)Largest decline over 10 years | — | -49.54% | — |
Current DrawdownCurrent decline from peak | -30.04% | -56.01% | +25.97% |
Average DrawdownAverage peak-to-trough decline | -34.66% | -87.06% | +52.40% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.20% | 7.79% | +10.41% |
Volatility
REZI vs. CIEN - Volatility Comparison
The current volatility for Resideo Technologies, Inc. (REZI) is 13.69%, while Ciena Corporation (CIEN) has a volatility of 25.82%. This indicates that REZI 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
| REZI | CIEN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.69% | 25.82% | -12.13% |
Volatility (6M)Calculated over the trailing 6-month period | 38.49% | 55.30% | -16.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 57.53% | 67.67% | -10.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 46.79% | 48.83% | -2.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 58.32% | 44.51% | +13.81% |
Dividends
REZI vs. CIEN - Dividend Comparison
Neither REZI nor CIEN has paid dividends to shareholders.
Financials
REZI vs. CIEN - Financials Comparison
This section allows you to compare key financial metrics between Resideo Technologies, 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
REZI vs. CIEN - Profitability Comparison
REZI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Resideo Technologies, Inc. reported a gross profit of 551.00M and revenue of 1.91B. Therefore, the gross margin over that period was 28.8%.
CIEN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 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%.
REZI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Resideo Technologies, Inc. reported an operating income of 102.00M and revenue of 1.91B, resulting in an operating margin of 5.3%.
CIEN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Ciena Corporation reported an operating income of 237.87M and revenue of 1.57B, resulting in an operating margin of 15.1%.
REZI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Resideo Technologies, Inc. reported a net income of 38.00M and revenue of 1.91B, resulting in a net margin of 2.0%.
CIEN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 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
REZI and CIEN have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CIEN has higher volatility (25.82%) compared to REZI (13.69%). In terms of maximum drawdown, REZI dropped -85.93% vs CIEN's -99.51%.
CIEN currently has the higher Sharpe Ratio (7.73 vs 0.85), 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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