FSLR vs. ENPH
FSLR (First Solar, Inc.) and ENPH (Enphase Energy, Inc.) are both stocks. Both operate in the Solar industry within the Technology sector. Over the past 10 years, FSLR returned 16.02%/yr vs 35.57%/yr for ENPH. Their 0.48 correlation means their historical movements had little consistent relationship.
Performance
FSLR vs. ENPH - Performance Comparison
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Returns By Period
In the year-to-date period, FSLR achieves a -19.22% return, which is significantly lower than ENPH's 17.13% return. Over the past 10 years, FSLR has underperformed ENPH with an annualized return of 16.02%, while ENPH has yielded a comparatively higher 35.57% annualized return.
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%
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%
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 |
FSLR vs. ENPH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSLR First Solar, Inc. | -19.22% | 48.22% | 2.30% | 15.01% | 71.86% | -11.89% | 76.77% | 31.81% | -37.12% | 110.41% |
ENPH Enphase Energy, Inc. | 17.13% | -53.33% | -48.02% | -50.13% | 44.83% | 4.26% | 571.53% | 452.43% | 96.27% | 138.61% |
Correlation
The correlation between FSLR and ENPH 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 FSLR and ENPH shifts across timeframes, from 0.48 (all time) to 0.62 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
FSLR:
$22.68B
ENPH:
$4.96B
FSLR:
$16.22
ENPH:
$1.01
FSLR:
13.01
ENPH:
37.15
FSLR:
0.31
ENPH:
0.85
FSLR:
4.22
ENPH:
3.75
FSLR:
2.20
ENPH:
4.22
FSLR:
$5.38B
ENPH:
$1.33B
FSLR:
$2.37B
ENPH:
$623.68M
FSLR:
$2.28B
ENPH:
$203.83M
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Return for Risk
FSLR vs. ENPH — Risk / Return Rank
FSLR
ENPH
FSLR vs. ENPH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for First Solar, Inc. (FSLR) and Enphase Energy, Inc. (ENPH). 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 | ENPH | 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 | 1.12 | 1.11 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 0.56 | 0.31 | +0.25 |
| Martin ratioReturn relative to average drawdown | 1.07 | 0.69 | +0.38 |
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Drawdowns
FSLR vs. ENPH - Drawdown Comparison
The maximum FSLR drawdown since its inception was -96.22%, roughly equal to the maximum ENPH drawdown of -95.97%. Use the drawdown chart below to compare losses from any high point for FSLR and ENPH.
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Drawdown Indicators
| FSLR | ENPH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.22% | -95.97% | -0.25% |
Max Drawdown (1Y)Largest decline over 1 year | -37.40% | -51.51% | +14.11% |
Max Drawdown (3Y)Largest decline over 3 years | -59.97% | -81.34% | +21.37% |
Max Drawdown (5Y)Largest decline over 5 years | -59.97% | -92.23% | +32.26% |
Max Drawdown (10Y)Largest decline over 10 years | -61.26% | -92.23% | +30.97% |
Current DrawdownCurrent decline from peak | -33.69% | -88.83% | +55.14% |
Average DrawdownAverage peak-to-trough decline | -62.97% | -50.90% | -12.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 19.41% | 23.12% | -3.71% |
Volatility
FSLR vs. ENPH - Volatility Comparison
The current volatility for First Solar, Inc. (FSLR) is 10.92%, while Enphase Energy, Inc. (ENPH) has a volatility of 18.66%. This indicates that FSLR experiences smaller price fluctuations and is considered to be less risky than ENPH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSLR | ENPH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.92% | 18.66% | -7.74% |
Volatility (6M)Calculated over the trailing 6-month period | 38.39% | 68.82% | -30.43% |
Volatility (1Y)Calculated over the trailing 1-year period | 53.94% | 82.81% | -28.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.12% | 70.68% | -16.56% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 50.83% | 78.42% | -27.59% |
Dividends
FSLR vs. ENPH - Dividend Comparison
Neither FSLR nor ENPH has paid dividends to shareholders.
Financials
FSLR vs. ENPH - Financials Comparison
This section allows you to compare key financial metrics between First Solar, Inc. and Enphase Energy, 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. ENPH - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
FSLR and ENPH 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, FSLR dropped -96.22% vs ENPH's -95.97%.
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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