ENPH vs. FSLR
ENPH (Enphase Energy, Inc.) and FSLR (First Solar, Inc.) are both stocks. Both operate in the Solar industry within the Technology sector. Over the past 10 years, ENPH returned 35.57%/yr vs 16.02%/yr for FSLR. Their 0.48 correlation means their historical movements had little consistent relationship.
Performance
ENPH vs. FSLR - Performance Comparison
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Returns By Period
In the year-to-date period, ENPH achieves a 17.13% return, which is significantly higher than FSLR's -19.22% return. Over the past 10 years, ENPH has outperformed FSLR with an annualized return of 35.57%, while FSLR has yielded a comparatively lower 16.02% annualized return.
ENPH
- 1D
- 0.43%
- 1M
- -12.84%
- 6M
- 1.51%
- YTD
- 17.13%
- 1Y
- 19.44%
- 3Y*
- -37.03%
- 5Y*
- -27.67%
- 10Y*
- 35.57%
- ALL TIME*
- 11.89%
FSLR
- 1D
- 2.44%
- 1M
- -6.03%
- 6M
- -6.43%
- YTD
- -19.22%
- 1Y
- 14.71%
- 3Y*
- 1.35%
- 5Y*
- 19.65%
- 10Y*
- 16.02%
- ALL TIME*
- 11.55%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $194.87M | $189.47M | $367.78M | |
| $397.05M | $406.54M | $591.75M |
ENPH vs. FSLR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ENPH Enphase Energy, Inc. | 17.13% | -53.33% | -48.02% | -50.13% | 44.83% | 4.26% | 571.53% | 452.43% | 96.27% | 138.61% |
FSLR First Solar, Inc. | -19.22% | 48.22% | 2.30% | 15.01% | 71.86% | -11.89% | 76.77% | 31.81% | -37.12% | 110.41% |
Correlation
The correlation between ENPH and FSLR is 0.57, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.57 |
Correlation (3Y) Balances recent behavior with more history. | 0.59 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.62 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.53 |
Correlation (All Time) Calculated using the full available price history since Mar 30, 2012 | 0.48 |
The correlation between ENPH and FSLR shifts across timeframes, from 0.48 (all time) to 0.62 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
ENPH:
$4.96B
FSLR:
$22.68B
ENPH:
$1.01
FSLR:
$16.22
ENPH:
37.15
FSLR:
13.01
ENPH:
0.85
FSLR:
0.31
ENPH:
3.75
FSLR:
4.22
ENPH:
4.22
FSLR:
2.20
ENPH:
$1.33B
FSLR:
$5.38B
ENPH:
$623.68M
FSLR:
$2.37B
ENPH:
$203.83M
FSLR:
$2.28B
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Return for Risk
ENPH vs. FSLR — Risk / Return Rank
ENPH
FSLR
ENPH vs. FSLR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Enphase Energy, Inc. (ENPH) 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.
| ENPH | FSLR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.19 | ||
| Sortino ratioReturn per unit of downside risk | +0.03 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 1.12 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 0.31 | 0.56 | -0.25 |
| Martin ratioReturn relative to average drawdown | 0.69 | 1.07 | -0.38 |
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Drawdowns
ENPH vs. FSLR - Drawdown Comparison
The maximum ENPH drawdown since its inception was -95.97%, roughly equal to the maximum FSLR drawdown of -96.22%. Use the drawdown chart below to compare losses from any high point for ENPH and FSLR.
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Drawdown Indicators
| ENPH | FSLR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.97% | -96.22% | +0.25% |
Max Drawdown (1Y)Largest decline over 1 year | -51.51% | -37.40% | -14.11% |
Max Drawdown (3Y)Largest decline over 3 years | -81.34% | -59.97% | -21.37% |
Max Drawdown (5Y)Largest decline over 5 years | -92.23% | -59.97% | -32.26% |
Max Drawdown (10Y)Largest decline over 10 years | -92.23% | -61.26% | -30.97% |
Current DrawdownCurrent decline from peak | -88.83% | -33.69% | -55.14% |
Average DrawdownAverage peak-to-trough decline | -50.90% | -62.97% | +12.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 23.12% | 19.41% | +3.71% |
Volatility
ENPH vs. FSLR - Volatility Comparison
Enphase Energy, Inc. (ENPH) has a higher volatility of 18.66% compared to First Solar, Inc. (FSLR) at 10.92%. This indicates that ENPH'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
| ENPH | FSLR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 18.66% | 10.92% | +7.74% |
Volatility (6M)Calculated over the trailing 6-month period | 68.82% | 38.39% | +30.43% |
Volatility (1Y)Calculated over the trailing 1-year period | 82.81% | 53.94% | +28.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 70.68% | 54.12% | +16.56% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 78.42% | 50.83% | +27.59% |
Dividends
ENPH vs. FSLR - Dividend Comparison
Neither ENPH nor FSLR has paid dividends to shareholders.
Financials
ENPH vs. FSLR - Financials Comparison
This section allows you to compare key financial metrics between Enphase Energy, 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
ENPH vs. FSLR - Profitability Comparison
ENPH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Enphase Energy, Inc. reported a gross profit of 175.01M and revenue of 291.85M. Therefore, the gross margin over that period was 60.0%.
FSLR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, First Solar, Inc. reported a gross profit of 605.00M and revenue of 1.06B. Therefore, the gross margin over that period was 57.3%.
ENPH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Enphase Energy, Inc. reported an operating income of 51.52M and revenue of 291.85M, resulting in an operating margin of 17.7%.
FSLR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, First Solar, Inc. reported an operating income of 450.39M and revenue of 1.06B, resulting in an operating margin of 42.6%.
ENPH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Enphase Energy, Inc. reported a net income of 36.08M and revenue of 291.85M, resulting in a net margin of 12.4%.
FSLR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, First Solar, Inc. reported a net income of 422.57M and revenue of 1.06B, resulting in a net margin of 40.0%.
Frequently Asked Questions
ENPH and FSLR have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ENPH has higher volatility (18.66%) compared to FSLR (10.92%). In terms of maximum drawdown, ENPH dropped -95.97% vs FSLR's -96.22%.
FSLR currently has the higher Sharpe Ratio (0.39 vs 0.19), 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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