RUN vs. FSLR
RUN (Sunrun Inc.) and FSLR (First Solar, Inc.) are both stocks. Both operate in the Solar industry within the Technology sector. Over the past 10 years, RUN returned 8.11%/yr vs 18.76%/yr for FSLR. A 0.55 correlation means they provide meaningful diversification when combined.
Performance
RUN vs. FSLR - Performance Comparison
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Returns By Period
In the year-to-date period, RUN achieves a -29.95% return, which is significantly lower than FSLR's 2.33% return. Over the past 10 years, RUN has underperformed FSLR with an annualized return of 8.11%, while FSLR has yielded a comparatively higher 18.76% annualized return.
RUN
- 1D
- 2.71%
- 1M
- -10.86%
- YTD
- -29.95%
- 6M
- -28.11%
- 1Y
- 52.18%
- 3Y*
- -14.62%
- 5Y*
- -22.11%
- 10Y*
- 8.11%
FSLR
- 1D
- -1.42%
- 1M
- 13.94%
- YTD
- 2.33%
- 6M
- 4.91%
- 1Y
- 59.27%
- 3Y*
- 10.90%
- 5Y*
- 27.42%
- 10Y*
- 18.76%
RUN vs. FSLR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RUN Sunrun Inc. | -29.95% | 98.92% | -52.88% | -18.28% | -29.97% | -50.56% | 402.39% | 26.81% | 84.58% | 11.11% |
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 RUN and FSLR is 0.56, 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 | 0.56 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.62 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.63 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.57 |
Correlation (All Time) Calculated using the full available price history since Aug 5, 2015 | 0.55 |
The correlation between RUN and FSLR has been stable across timeframes, ranging from 0.55 to 0.63 - a consistent structural relationship.
Fundamentals
RUN:
$3.51B
FSLR:
$28.77B
RUN:
$2.12
FSLR:
$15.48
RUN:
6.08
FSLR:
17.27
RUN:
0.02
FSLR:
0.41
RUN:
1.09
FSLR:
5.31
RUN:
1.05
FSLR:
2.91
RUN:
$3.17B
FSLR:
$5.42B
RUN:
$746.75M
FSLR:
$2.26B
RUN:
$544.21M
FSLR:
$2.15B
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Return for Risk
RUN vs. FSLR — Risk / Return Rank
RUN
FSLR
RUN vs. FSLR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Sunrun Inc. (RUN) 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.
| RUN | FSLR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.52 | ||
| Sortino ratioReturn per unit of downside risk | -0.23 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.22 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.11 | 1.70 | -0.58 |
| Martin ratioReturn relative to average drawdown | 2.26 | 3.57 | -1.32 |
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Drawdowns
RUN vs. FSLR - Drawdown Comparison
The maximum RUN drawdown since its inception was -94.13%, roughly equal to the maximum FSLR drawdown of -96.22%. Use the drawdown chart below to compare losses from any high point for RUN and FSLR.
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Drawdown Indicators
| RUN | FSLR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.13% | -96.22% | +2.09% |
Max Drawdown (1Y)Largest decline over 1 year | -47.08% | -35.10% | -11.98% |
Max Drawdown (3Y)Largest decline over 3 years | -74.79% | -59.97% | -14.82% |
Max Drawdown (5Y)Largest decline over 5 years | -90.34% | -59.97% | -30.37% |
Max Drawdown (10Y)Largest decline over 10 years | -94.13% | -61.26% | -32.87% |
Current DrawdownCurrent decline from peak | -86.64% | -16.01% | -70.63% |
Average DrawdownAverage peak-to-trough decline | -54.60% | -63.20% | +8.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 23.20% | 16.63% | +6.57% |
Volatility
RUN vs. FSLR - Volatility Comparison
The current volatility for Sunrun Inc. (RUN) is 21.08%, while First Solar, Inc. (FSLR) has a volatility of 23.37%. This indicates that RUN experiences smaller price fluctuations and is considered to be less risky 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
| RUN | FSLR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 21.08% | 23.37% | -2.29% |
Volatility (6M)Calculated over the trailing 6-month period | 66.50% | 41.98% | +24.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 105.12% | 58.23% | +46.89% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 90.76% | 54.07% | +36.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 78.31% | 50.84% | +27.47% |
Dividends
RUN vs. FSLR - Dividend Comparison
Neither RUN nor FSLR has paid dividends to shareholders.
Financials
RUN vs. FSLR - Financials Comparison
This section allows you to compare key financial metrics between Sunrun 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
RUN vs. FSLR - Profitability Comparison
RUN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Sunrun Inc. reported a gross profit of 0.00 and revenue of 722.23M. Therefore, the gross margin over that period was 0.0%.
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%.
RUN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Sunrun Inc. reported an operating income of -43.51M and revenue of 722.23M, resulting in an operating margin of -6.0%.
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%.
RUN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Sunrun Inc. reported a net income of 167.64M and revenue of 722.23M, resulting in a net margin of 23.2%.
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
RUN and FSLR have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSLR has higher volatility (23.37%) compared to RUN (21.08%). In terms of maximum drawdown, RUN dropped -94.13% vs FSLR's -96.22%.
FSLR currently has the higher Sharpe Ratio (1.02 vs 0.50), 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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