COHR vs. CLS
COHR (Coherent, Inc.) and CLS (Celestica Inc.) are both stocks. Both are in the Technology sector — COHR in Scientific & Technical Instruments, CLS in Electronic Components. Over the past 10 years, COHR returned 35.53%/yr vs 44.17%/yr for CLS. At a 0.38 correlation, their price movements are largely independent.
Performance
COHR vs. CLS - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, COHR achieves a 124.22% return, which is significantly higher than CLS's 36.48% return. Over the past 10 years, COHR has underperformed CLS with an annualized return of 35.53%, while CLS has yielded a comparatively higher 44.17% annualized return.
COHR
- 1D
- 7.48%
- 1M
- 8.21%
- YTD
- 124.22%
- 6M
- 131.91%
- 1Y
- 434.88%
- 3Y*
- 96.11%
- 5Y*
- 43.17%
- 10Y*
- 35.53%
CLS
- 1D
- 2.63%
- 1M
- 12.52%
- YTD
- 36.48%
- 6M
- 33.16%
- 1Y
- 221.91%
- 3Y*
- 204.85%
- 5Y*
- 117.76%
- 10Y*
- 44.17%
COHR vs. CLS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COHR Coherent, Inc. | 124.22% | 94.84% | 117.62% | 24.02% | -48.63% | -10.04% | 125.60% | 3.73% | -30.86% | 58.35% |
CLS Celestica Inc. | 36.48% | 220.27% | 215.23% | 159.80% | 1.26% | 37.92% | -2.42% | -5.70% | -16.32% | -11.56% |
Correlation
The correlation between COHR and CLS is 0.59, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.59 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.58 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.59 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.51 |
Correlation (All Time) Calculated using the full available price history since Jun 30, 1998 | 0.38 |
Over the past year, COHR and CLS have become more correlated (0.59) than their long-term average of 0.38, meaning their price movements have been converging.
Fundamentals
COHR:
$1.64K
CLS:
$8.28
COHR:
0.25
CLS:
48.70
COHR:
0.04
CLS:
0.65
COHR:
0.03
CLS:
3.38
COHR:
$1.81T
CLS:
$13.81B
COHR:
$1.76B
CLS:
$1.60B
COHR:
$960.76M
CLS:
$1.32B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
COHR vs. CLS — Risk / Return Rank
COHR
CLS
COHR vs. CLS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Coherent, Inc. (COHR) and Celestica Inc. (CLS). 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.
| COHR | CLS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.86 | ||
| Sortino ratioReturn per unit of downside risk | +1.21 | ||
| Omega ratioGain probability vs. loss probability | 1.59 | 1.39 | +0.19 |
| Calmar ratioReturn relative to maximum drawdown | 16.54 | 7.64 | +8.89 |
| Martin ratioReturn relative to average drawdown | 45.32 | 18.56 | +26.77 |
Loading charts...
Drawdowns
COHR vs. CLS - Drawdown Comparison
The maximum COHR drawdown since its inception was -80.89%, smaller than the maximum CLS drawdown of -96.93%. Use the drawdown chart below to compare losses from any high point for COHR and CLS.
Loading charts...
Drawdown Indicators
| COHR | CLS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.89% | -96.93% | +16.04% |
Max Drawdown (1Y)Largest decline over 1 year | -26.52% | -29.24% | +2.72% |
Max Drawdown (3Y)Largest decline over 3 years | -54.85% | -53.96% | -0.89% |
Max Drawdown (5Y)Largest decline over 5 years | -62.87% | -53.96% | -8.91% |
Max Drawdown (10Y)Largest decline over 10 years | -72.22% | -80.60% | +8.38% |
Current DrawdownCurrent decline from peak | -3.06% | -14.60% | +11.54% |
Average DrawdownAverage peak-to-trough decline | -35.01% | -73.31% | +38.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.66% | 12.02% | -2.36% |
Volatility
COHR vs. CLS - Volatility Comparison
Coherent, Inc. (COHR) and Celestica Inc. (CLS) have volatilities of 28.85% and 27.56%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| COHR | CLS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 28.85% | 27.56% | +1.29% |
Volatility (6M)Calculated over the trailing 6-month period | 57.84% | 55.47% | +2.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 73.98% | 72.65% | +1.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 61.69% | 57.72% | +3.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 56.62% | 49.99% | +6.63% |
Dividends
COHR vs. CLS - Dividend Comparison
Neither COHR nor CLS has paid dividends to shareholders.
Financials
COHR vs. CLS - Financials Comparison
This section allows you to compare key financial metrics between Coherent, Inc. and Celestica Inc.. 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
COHR vs. CLS - Profitability Comparison
COHR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Coherent, Inc. reported a gross profit of 0.00 and revenue of 1.81T. Therefore, the gross margin over that period was 0.0%.
CLS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported a gross profit of 437.20M and revenue of 4.05B. Therefore, the gross margin over that period was 10.8%.
COHR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Coherent, Inc. reported an operating income of 0.00 and revenue of 1.81T, resulting in an operating margin of 0.0%.
CLS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported an operating income of 272.10M and revenue of 4.05B, resulting in an operating margin of 6.7%.
COHR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Coherent, Inc. reported a net income of 191.40B and revenue of 1.81T, resulting in a net margin of 10.6%.
CLS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Celestica Inc. reported a net income of 212.30M and revenue of 4.05B, resulting in a net margin of 5.3%.
Frequently Asked Questions
COHR and CLS have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COHR has higher volatility (28.85%) compared to CLS (27.56%). In terms of maximum drawdown, COHR dropped -80.89% vs CLS's -96.93%.
COHR currently has the higher Sharpe Ratio (5.94 vs 3.08), 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.
Find the right allocation for COHR and CLS
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer