FSLR vs. CLS
FSLR (First Solar, Inc.) and CLS (Celestica Inc.) are both stocks. Both are in the Technology sector — FSLR in Solar, CLS in Electronic Components. Over the past 10 years, FSLR returned 18.76%/yr vs 43.71%/yr for CLS. At a 0.32 correlation, their price movements are largely independent.
Performance
FSLR vs. CLS - Performance Comparison
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Returns By Period
In the year-to-date period, FSLR achieves a 2.33% return, which is significantly lower than CLS's 32.99% return. Over the past 10 years, FSLR has underperformed CLS with an annualized return of 18.76%, while CLS has yielded a comparatively higher 43.71% annualized return.
FSLR
- 1D
- -1.42%
- 1M
- 14.54%
- YTD
- 2.33%
- 6M
- 4.91%
- 1Y
- 52.57%
- 3Y*
- 10.90%
- 5Y*
- 27.42%
- 10Y*
- 18.76%
CLS
- 1D
- 1.88%
- 1M
- 9.64%
- YTD
- 32.99%
- 6M
- 28.26%
- 1Y
- 213.67%
- 3Y*
- 207.28%
- 5Y*
- 116.26%
- 10Y*
- 43.71%
FSLR vs. CLS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSLR First Solar, Inc. | 2.33% | 48.22% | 2.30% | 15.01% | 71.86% | -11.89% | 76.77% | 31.81% | -37.12% | 110.41% |
CLS Celestica Inc. | 32.99% | 220.27% | 215.23% | 159.80% | 1.26% | 37.92% | -2.42% | -5.70% | -16.32% | -11.56% |
Correlation
The correlation between FSLR and CLS is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.34 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.30 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.30 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.30 |
Correlation (All Time) Calculated using the full available price history since Nov 17, 2006 | 0.32 |
Fundamentals
FSLR:
$28.77B
CLS:
$45.48B
FSLR:
$15.48
CLS:
$8.28
FSLR:
17.27
CLS:
47.45
FSLR:
0.41
CLS:
0.64
FSLR:
5.31
CLS:
3.30
FSLR:
2.91
CLS:
21.68
FSLR:
$5.42B
CLS:
$13.81B
FSLR:
$2.26B
CLS:
$1.60B
FSLR:
$2.15B
CLS:
$1.32B
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Return for Risk
FSLR vs. CLS — Risk / Return Rank
FSLR
CLS
FSLR vs. CLS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for First Solar, Inc. (FSLR) 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.
| FSLR | CLS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.76 | ||
| Sortino ratioReturn per unit of downside risk | -1.18 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.37 | -0.15 |
| Calmar ratioReturn relative to maximum drawdown | 1.70 | 6.91 | -5.21 |
| Martin ratioReturn relative to average drawdown | 3.57 | 16.83 | -13.26 |
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Drawdowns
FSLR vs. CLS - Drawdown Comparison
The maximum FSLR drawdown since its inception was -96.22%, roughly equal to the maximum CLS drawdown of -96.93%. Use the drawdown chart below to compare losses from any high point for FSLR and CLS.
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Drawdown Indicators
| FSLR | CLS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.22% | -96.93% | +0.71% |
Max Drawdown (1Y)Largest decline over 1 year | -35.10% | -29.24% | -5.86% |
Max Drawdown (3Y)Largest decline over 3 years | -59.97% | -53.96% | -6.01% |
Max Drawdown (5Y)Largest decline over 5 years | -59.97% | -53.96% | -6.01% |
Max Drawdown (10Y)Largest decline over 10 years | -61.26% | -80.60% | +19.34% |
Current DrawdownCurrent decline from peak | -16.01% | -16.78% | +0.77% |
Average DrawdownAverage peak-to-trough decline | -63.20% | -73.31% | +10.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 16.63% | 11.98% | +4.65% |
Volatility
FSLR vs. CLS - Volatility Comparison
The current volatility for First Solar, Inc. (FSLR) is 23.37%, while Celestica Inc. (CLS) has a volatility of 27.54%. This indicates that FSLR experiences smaller price fluctuations and is considered to be less risky than CLS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSLR | CLS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 23.37% | 27.54% | -4.17% |
Volatility (6M)Calculated over the trailing 6-month period | 41.98% | 55.42% | -13.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 58.23% | 72.65% | -14.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.07% | 57.70% | -3.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 50.84% | 49.97% | +0.87% |
Dividends
FSLR vs. CLS - Dividend Comparison
Neither FSLR nor CLS has paid dividends to shareholders.
Financials
FSLR vs. CLS - Financials Comparison
This section allows you to compare key financial metrics between First Solar, 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
FSLR vs. CLS - Profitability Comparison
FSLR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, First Solar, Inc. reported a gross profit of 486.13M and revenue of 1.04B. Therefore, the gross margin over that period was 46.6%.
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%.
FSLR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, First Solar, Inc. reported an operating income of 345.30M and revenue of 1.04B, resulting in an operating margin of 33.1%.
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%.
FSLR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, First Solar, Inc. reported a net income of 346.62M and revenue of 1.04B, resulting in a net margin of 33.2%.
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
FSLR and CLS have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CLS has higher volatility (27.54%) compared to FSLR (23.37%). In terms of maximum drawdown, FSLR dropped -96.22% vs CLS's -96.93%.
CLS currently has the higher Sharpe Ratio (2.78 vs 1.02), 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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