ENPH vs. BLDR
ENPH (Enphase Energy, Inc.) and BLDR (Builders FirstSource, Inc.) are both stocks. ENPH operates in Solar (Technology), while BLDR operates in Building Products & Equipment (Industrials). Over the past 10 years, ENPH returned 39.19%/yr vs 21.56%/yr for BLDR. At a 0.28 correlation, their price movements are largely independent.
Performance
ENPH vs. BLDR - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, ENPH achieves a 70.33% return, which is significantly higher than BLDR's -24.41% return. Over the past 10 years, ENPH has outperformed BLDR with an annualized return of 39.19%, while BLDR has yielded a comparatively lower 21.56% annualized return.
ENPH
- 1D
- -0.62%
- 1M
- 29.98%
- YTD
- 70.33%
- 6M
- 69.64%
- 1Y
- 22.14%
- 3Y*
- -32.77%
- 5Y*
- -17.99%
- 10Y*
- 39.19%
BLDR
- 1D
- -1.02%
- 1M
- 7.54%
- YTD
- -24.41%
- 6M
- -28.31%
- 1Y
- -32.40%
- 3Y*
- -14.86%
- 5Y*
- 12.14%
- 10Y*
- 21.56%
ENPH vs. BLDR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ENPH Enphase Energy, Inc. | 70.33% | -53.33% | -48.02% | -50.13% | 44.83% | 4.26% | 571.53% | 452.43% | 96.27% | 138.61% |
BLDR Builders FirstSource, Inc. | -24.41% | -28.01% | -14.38% | 157.31% | -24.30% | 110.02% | 60.61% | 132.91% | -49.93% | 98.63% |
Correlation
The correlation between ENPH and BLDR is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.32 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.32 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.35 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.29 |
Correlation (All Time) Calculated using the full available price history since Mar 30, 2012 | 0.28 |
Fundamentals
ENPH:
$7.17B
BLDR:
$8.54B
ENPH:
$0.92
BLDR:
$2.63
ENPH:
59.58
BLDR:
29.54
ENPH:
5.20
BLDR:
0.58
ENPH:
6.50
BLDR:
2.13
ENPH:
$1.40B
BLDR:
$14.82B
ENPH:
$619.16M
BLDR:
$4.43B
ENPH:
$189.48M
BLDR:
$1.06B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
ENPH vs. BLDR — Risk / Return Rank
ENPH
BLDR
ENPH vs. BLDR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Enphase Energy, Inc. (ENPH) and Builders FirstSource, Inc. (BLDR). 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 | BLDR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.93 | ||
| Sortino ratioReturn per unit of downside risk | +1.95 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 0.91 | +0.22 |
| Calmar ratioReturn relative to maximum drawdown | 0.52 | -0.59 | +1.10 |
| Martin ratioReturn relative to average drawdown | 0.92 | -1.11 | +2.03 |
Loading charts...
Drawdowns
ENPH vs. BLDR - Drawdown Comparison
The maximum ENPH drawdown since its inception was -95.97%, roughly equal to the maximum BLDR drawdown of -96.78%. Use the drawdown chart below to compare losses from any high point for ENPH and BLDR.
Loading charts...
Drawdown Indicators
| ENPH | BLDR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.97% | -96.78% | +0.81% |
Max Drawdown (1Y)Largest decline over 1 year | -43.13% | -55.51% | +12.38% |
Max Drawdown (3Y)Largest decline over 3 years | -86.23% | -68.55% | -17.68% |
Max Drawdown (5Y)Largest decline over 5 years | -92.23% | -68.55% | -23.68% |
Max Drawdown (10Y)Largest decline over 10 years | -92.23% | -68.55% | -23.68% |
Current DrawdownCurrent decline from peak | -83.75% | -63.16% | -20.59% |
Average DrawdownAverage peak-to-trough decline | -50.57% | -47.87% | -2.70% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 24.10% | 29.23% | -5.13% |
Volatility
ENPH vs. BLDR - Volatility Comparison
Enphase Energy, Inc. (ENPH) has a higher volatility of 40.41% compared to Builders FirstSource, Inc. (BLDR) at 15.05%. This indicates that ENPH's price experiences larger fluctuations and is considered to be riskier than BLDR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| ENPH | BLDR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 40.41% | 15.05% | +25.36% |
Volatility (6M)Calculated over the trailing 6-month period | 66.31% | 34.74% | +31.57% |
Volatility (1Y)Calculated over the trailing 1-year period | 86.85% | 48.45% | +38.40% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 70.23% | 45.30% | +24.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 78.26% | 47.75% | +30.51% |
Dividends
ENPH vs. BLDR - Dividend Comparison
Neither ENPH nor BLDR has paid dividends to shareholders.
Financials
ENPH vs. BLDR - Financials Comparison
This section allows you to compare key financial metrics between Enphase Energy, Inc. and Builders FirstSource, 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. BLDR - Profitability Comparison
ENPH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Enphase Energy, Inc. reported a gross profit of 100.39M and revenue of 282.90M. Therefore, the gross margin over that period was 35.5%.
BLDR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Builders FirstSource, Inc. reported a gross profit of 928.97M and revenue of 3.29B. Therefore, the gross margin over that period was 28.3%.
ENPH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Enphase Energy, Inc. reported an operating income of -29.64M and revenue of 282.90M, resulting in an operating margin of -10.5%.
BLDR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Builders FirstSource, Inc. reported an operating income of 16.52M and revenue of 3.29B, resulting in an operating margin of 0.5%.
ENPH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Enphase Energy, Inc. reported a net income of -20.31M and revenue of 282.90M, resulting in a net margin of -7.2%.
BLDR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Builders FirstSource, Inc. reported a net income of -47.41M and revenue of 3.29B, resulting in a net margin of -1.4%.
Frequently Asked Questions
ENPH and BLDR have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ENPH has higher volatility (40.41%) compared to BLDR (15.05%). In terms of maximum drawdown, ENPH dropped -95.97% vs BLDR's -96.78%.
ENPH currently has the higher Sharpe Ratio (0.26 vs -0.67), 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.
Find the right allocation for ENPH and BLDR
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer