CSIQ vs. FSLR
CSIQ (Canadian Solar Inc.) and FSLR (First Solar, Inc.) are both stocks. Both operate in the Solar industry within the Technology sector. Over the past 10 years, CSIQ returned 0.54%/yr vs 18.76%/yr for FSLR. A 0.59 correlation means they provide meaningful diversification when combined.
Performance
CSIQ vs. FSLR - Performance Comparison
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Returns By Period
In the year-to-date period, CSIQ achieves a -29.62% return, which is significantly lower than FSLR's 2.33% return. Over the past 10 years, CSIQ has underperformed FSLR with an annualized return of 0.54%, while FSLR has yielded a comparatively higher 18.76% annualized return.
CSIQ
- 1D
- 6.15%
- 1M
- -6.43%
- YTD
- -29.62%
- 6M
- -26.14%
- 1Y
- 51.54%
- 3Y*
- -23.33%
- 5Y*
- -16.11%
- 10Y*
- 0.54%
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%
CSIQ vs. FSLR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CSIQ Canadian Solar Inc. | -29.62% | 113.76% | -57.61% | -15.11% | -1.25% | -38.93% | 131.86% | 54.11% | -14.95% | 38.42% |
FSLR First Solar, Inc. | 2.33% | 48.22% | 2.30% | 15.01% | 71.86% | -11.89% | 76.77% | 31.81% | -37.12% | 110.41% |
Correlation
The correlation between CSIQ and FSLR is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.47 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.54 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.59 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.63 |
Correlation (All Time) Calculated using the full available price history since Nov 17, 2006 | 0.59 |
The correlation between CSIQ and FSLR shifts across timeframes, from 0.47 (1 year) to 0.63 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
CSIQ:
$1.13B
FSLR:
$28.77B
CSIQ:
-$1.51
FSLR:
$15.48
CSIQ:
0.21
FSLR:
5.31
CSIQ:
0.40
FSLR:
2.91
CSIQ:
$5.48B
FSLR:
$5.42B
CSIQ:
$1.16B
FSLR:
$2.26B
CSIQ:
$398.75M
FSLR:
$2.15B
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Return for Risk
CSIQ vs. FSLR — Risk / Return Rank
CSIQ
FSLR
CSIQ vs. FSLR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Canadian Solar Inc. (CSIQ) and First Solar, Inc. (FSLR). 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.
| CSIQ | FSLR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.46 | ||
| Sortino ratioReturn per unit of downside risk | -0.28 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.22 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 0.84 | 1.70 | -0.85 |
| Martin ratioReturn relative to average drawdown | 1.55 | 3.57 | -2.02 |
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Drawdowns
CSIQ vs. FSLR - Drawdown Comparison
The maximum CSIQ drawdown since its inception was -96.02%, roughly equal to the maximum FSLR drawdown of -96.22%. Use the drawdown chart below to compare losses from any high point for CSIQ and FSLR.
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Drawdown Indicators
| CSIQ | FSLR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.02% | -96.22% | +0.20% |
Max Drawdown (1Y)Largest decline over 1 year | -63.94% | -35.10% | -28.84% |
Max Drawdown (3Y)Largest decline over 3 years | -83.64% | -59.97% | -23.67% |
Max Drawdown (5Y)Largest decline over 5 years | -85.65% | -59.97% | -25.68% |
Max Drawdown (10Y)Largest decline over 10 years | -89.46% | -61.26% | -28.20% |
Current DrawdownCurrent decline from peak | -73.92% | -16.01% | -57.91% |
Average DrawdownAverage peak-to-trough decline | -61.09% | -63.20% | +2.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 34.64% | 16.63% | +18.01% |
Volatility
CSIQ vs. FSLR - Volatility Comparison
Canadian Solar Inc. (CSIQ) has a higher volatility of 29.76% compared to First Solar, Inc. (FSLR) at 23.37%. This indicates that CSIQ's price experiences larger fluctuations and is considered to be riskier than FSLR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CSIQ | FSLR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 29.76% | 23.37% | +6.39% |
Volatility (6M)Calculated over the trailing 6-month period | 66.26% | 41.98% | +24.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 96.01% | 58.23% | +37.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 72.09% | 54.07% | +18.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 63.75% | 50.84% | +12.91% |
Dividends
CSIQ vs. FSLR - Dividend Comparison
Neither CSIQ nor FSLR has paid dividends to shareholders.
Financials
CSIQ vs. FSLR - Financials Comparison
This section allows you to compare key financial metrics between Canadian Solar Inc. and First Solar, 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
CSIQ vs. FSLR - Profitability Comparison
CSIQ - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Canadian Solar Inc. reported a gross profit of 270.82M and revenue of 1.08B. Therefore, the gross margin over that period was 25.1%.
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%.
CSIQ - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Canadian Solar Inc. reported an operating income of 72.87M and revenue of 1.08B, resulting in an operating margin of 6.8%.
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%.
CSIQ - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Canadian Solar Inc. reported a net income of -32.09M and revenue of 1.08B, resulting in a net margin of -3.0%.
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%.
Frequently Asked Questions
CSIQ and FSLR have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CSIQ has higher volatility (29.76%) compared to FSLR (23.37%). In terms of maximum drawdown, CSIQ dropped -96.02% vs FSLR's -96.22%.
FSLR currently has the higher Sharpe Ratio (1.02 vs 0.56), 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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