RUN vs. ENPH

Last updated Apr 2, 2026

Compare and contrast key facts about Sunrun Inc. (RUN) and Enphase Energy, Inc. (ENPH).

Performance

RUN vs. ENPH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sunrun Inc. (RUN) and Enphase Energy, Inc. (ENPH). The values are adjusted to include any dividend payments, if applicable.

RUN vs. ENPH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RUN Sunrun Inc.	-23.10%	98.92%	-52.88%	-18.28%	-29.97%	-50.56%	402.39%	26.81%	84.58%	11.11%
ENPH Enphase Energy, Inc.	19.44%	-53.33%	-48.02%	-50.13%	44.83%	4.26%	571.53%	452.43%	96.27%	138.61%

Fundamentals

Market Cap RUN : $3.84B ENPH : $5.11B
EPS RUN : $1.69 ENPH : $1.29
PE Ratio RUN : 8.37 ENPH : 29.78
PEG Ratio RUN : 0.03 ENPH : 0.68
PS Ratio RUN : 1.28 ENPH : 3.48
PB Ratio RUN : 1.23 ENPH : 4.70
Total Revenue (TTM) RUN : $2.96B ENPH : $1.47B
Gross Profit (TTM) RUN : -$292.10M ENPH : $687.00M
EBITDA (TTM) RUN : -$126.13M ENPH : $250.47M

Returns By Period

In the year-to-date period, RUN achieves a -23.10% return, which is significantly lower than ENPH's 19.44% return. Over the past 10 years, RUN has underperformed ENPH with an annualized return of 8.19%, while ENPH has yielded a comparatively higher 31.96% annualized return.

RUN

• 1D: 4.35%
• 1M: 13.02%
• YTD: -23.10%
• 6M: -22.89%
• 1Y: 118.03%
• 3Y*: -11.12%
• 5Y*: -24.87%
• 10Y*: 8.19%

ENPH

• 1D: 1.24%
• 1M: -14.38%
• YTD: 19.44%
• 6M: 3.43%
• 1Y: -38.64%
• 3Y*: -43.33%
• 5Y*: -25.13%
• 10Y*: 31.96%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

RUN vs. ENPH — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RUN

RUN Risk / Return Rank: 78
RUN Sharpe Ratio Rank: 74
RUN Sortino Ratio Rank: 75
RUN Omega Ratio Rank: 79
RUN Calmar Ratio Rank: 82
RUN Martin Ratio Rank: 82

ENPH

ENPH Risk / Return Rank: 21
ENPH Sharpe Ratio Rank: 20
ENPH Sortino Ratio Rank: 23
ENPH Omega Ratio Rank: 23
ENPH Calmar Ratio Rank: 18
ENPH Martin Ratio Rank: 24

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RUN vs. ENPH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sunrun Inc. (RUN) 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.

	RUN	ENPH	Difference
Sharpe ratio Return per unit of total volatility	1.01	-0.47	+1.48
Sortino ratio Return per unit of downside risk	1.86	-0.27	+2.13
Omega ratio Gain probability vs. loss probability	1.28	0.96	+0.32
Calmar ratio Return relative to maximum drawdown	2.57	-0.66	+3.23
Martin ratio Return relative to average drawdown	6.66	-0.99	+7.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RUN vs. ENPH - Sharpe Ratio Comparison

The current RUN Sharpe Ratio is 1.01, which is higher than the ENPH Sharpe Ratio of -0.47. The chart below compares the historical Sharpe Ratios of RUN and ENPH, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RUN	ENPH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.01	-0.47	+1.48
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.27	-0.37	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.11	0.41	-0.31
Sharpe Ratio (All Time) Calculated using the full available price history	0.03	0.16	-0.12

Correlation

The correlation between RUN and ENPH is 0.57, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

RUN vs. ENPH - Dividend Comparison

Neither RUN nor ENPH has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

RUN vs. ENPH - Drawdown Comparison

The maximum RUN drawdown since its inception was -94.13%, roughly equal to the maximum ENPH drawdown of -95.97%. Use the drawdown chart below to compare losses from any high point for RUN and ENPH.

Drawdown Indicators

	RUN	ENPH	Difference
Max Drawdown Largest peak-to-trough decline	-94.13%	-95.97%	+1.84%
Max Drawdown (1Y) Largest decline over 1 year	-55.02%	-58.22%	+3.20%
Max Drawdown (5Y) Largest decline over 5 years	-90.42%	-92.23%	+1.81%
Max Drawdown (10Y) Largest decline over 10 years	-94.13%	-92.23%	-1.90%
Current Drawdown Current decline from peak	-85.34%	-88.61%	+3.27%
Average Drawdown Average peak-to-trough decline	-53.72%	-50.07%	-3.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.23%	38.83%	-17.60%

Volatility

RUN vs. ENPH - Volatility Comparison

Sunrun Inc. (RUN) has a higher volatility of 21.36% compared to Enphase Energy, Inc. (ENPH) at 18.72%. This indicates that RUN's price experiences larger fluctuations and is considered to be riskier than ENPH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RUN	ENPH	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.36%	18.72%	+2.64%
Volatility (6M) Calculated over the trailing 6-month period	68.74%	55.21%	+13.53%
Volatility (1Y) Calculated over the trailing 1-year period	117.64%	82.78%	+34.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	91.00%	68.17%	+22.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	78.20%	77.52%	+0.68%

Financials

RUN vs. ENPH - Profitability Comparison

The chart below illustrates the profitability comparison between Sunrun Inc. and Enphase Energy, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

RUN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Sunrun Inc. reported a gross profit of -728.63M and revenue of 1.16B. Therefore, the gross margin over that period was -62.9%.

ENPH - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Enphase Energy, Inc. reported a gross profit of 152.03M and revenue of 343.32M. Therefore, the gross margin over that period was 44.3%.

RUN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Sunrun Inc. reported an operating income of 101.56M and revenue of 1.16B, resulting in an operating margin of 8.8%.

ENPH - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Enphase Energy, Inc. reported an operating income of 22.44M and revenue of 343.32M, resulting in an operating margin of 6.5%.

RUN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Sunrun Inc. reported a net income of 103.57M and revenue of 1.16B, resulting in a net margin of 8.9%.

ENPH - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Enphase Energy, Inc. reported a net income of 38.71M and revenue of 343.32M, resulting in a net margin of 11.3%.