ENPH vs. TAN

Last updated Jul 11, 2026

ENPH (Enphase Energy, Inc.) is a stock, while TAN (Invesco Solar ETF) is Alternative Energy Equities fund tracking the MAC Global Solar Energy Index. Over the past 10 years, ENPH returned 36.14%/yr vs 10.62%/yr for TAN. A 0.63 correlation means they provide meaningful diversification when combined.

Performance

ENPH vs. TAN - Performance Comparison

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

Returns By Period

In the year-to-date period, ENPH achieves a 39.88% return, which is significantly higher than TAN's 11.89% return. Over the past 10 years, ENPH has outperformed TAN with an annualized return of 36.14%, while TAN has yielded a comparatively lower 10.62% annualized return.

ENPH

• 1D: -0.13%
• 1M: -17.88%
• 6M: 27.29%
• YTD: 39.88%
• 1Y: 7.11%
• 3Y*: -36.34%
• 5Y*: -24.59%
• 10Y*: 36.14%

TAN

• 1D: 0.02%
• 1M: -12.80%
• 6M: 9.26%
• YTD: 11.89%
• 1Y: 44.25%
• 3Y*: -7.28%
• 5Y*: -8.92%
• 10Y*: 10.62%

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

ENPH vs. TAN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ENPH Enphase Energy, Inc.	39.88%	-53.33%	-48.02%	-50.13%	44.83%	4.26%	571.53%	452.43%	96.27%	138.61%
TAN Invesco Solar ETF	11.89%	48.31%	-37.61%	-26.79%	-5.24%	-25.10%	233.96%	66.53%	-25.67%	54.38%

Correlation

The correlation between ENPH and TAN is 0.80, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.71
Correlation (All Time) Calculated using the full available price history since Mar 30, 2012	0.63

The correlation between ENPH and TAN shifts across timeframes, from 0.63 (all time) to 0.82 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

ENPH vs. TAN — Risk / Return Rank

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

ENPH

ENPH Risk / Return Rank: 49
ENPH Sharpe Ratio Rank: 48
ENPH Sortino Ratio Rank: 53
ENPH Omega Ratio Rank: 51
ENPH Calmar Ratio Rank: 48
ENPH Martin Ratio Rank: 47

TAN

TAN Risk / Return Rank: 37
TAN Sharpe Ratio Rank: 37
TAN Sortino Ratio Rank: 40
TAN Omega Ratio Rank: 34
TAN Calmar Ratio Rank: 38
TAN Martin Ratio Rank: 39

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.

ENPH vs. TAN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Enphase Energy, Inc. (ENPH) and Invesco Solar ETF (TAN). 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	TAN	Difference
Sharpe ratio: Return per unit of total volatility	0.05	1.08	-1.03
Sortino ratio: Return per unit of downside risk	0.75	1.68	-0.94
Omega ratio: Gain probability vs. loss probability	1.09	1.19	-0.10
Calmar ratio: Return relative to maximum drawdown	0.11	1.55	-1.44
Martin ratio: Return relative to average drawdown	0.19	4.94	-4.74

ENPH vs. TAN - Sharpe Ratio Comparison

The current ENPH Sharpe Ratio is 0.05, which is lower than the TAN Sharpe Ratio of 1.08. The chart below compares the historical Sharpe Ratios of ENPH and TAN, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

ENPH vs. TAN - Drawdown Comparison

The maximum ENPH drawdown since its inception was -95.97%, roughly equal to the maximum TAN drawdown of -95.29%. Use the drawdown chart below to compare losses from any high point for ENPH and TAN.

Drawdown Indicators

	ENPH	TAN	Difference
Max Drawdown Largest peak-to-trough decline	-95.97%	-95.29%	-0.68%
Max Drawdown (1Y) Largest decline over 1 year	-40.56%	-26.77%	-13.79%
Max Drawdown (3Y) Largest decline over 3 years	-86.23%	-64.40%	-21.83%
Max Drawdown (5Y) Largest decline over 5 years	-92.23%	-73.95%	-18.28%
Max Drawdown (10Y) Largest decline over 10 years	-92.23%	-78.53%	-13.70%
Current Drawdown Current decline from peak	-86.66%	-74.76%	-11.90%
Average Drawdown Average peak-to-trough decline	-50.75%	-78.46%	+27.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.00%	8.38%	+14.62%

Volatility

ENPH vs. TAN - Volatility Comparison

Enphase Energy, Inc. (ENPH) has a higher volatility of 22.51% compared to Invesco Solar ETF (TAN) at 12.73%. This indicates that ENPH's price experiences larger fluctuations and is considered to be riskier than TAN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ENPH	TAN	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.51%	12.73%	+9.78%
Volatility (6M) Calculated over the trailing 6-month period	68.68%	28.70%	+39.98%
Volatility (1Y) Calculated over the trailing 1-year period	83.30%	38.29%	+45.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	70.56%	40.11%	+30.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	78.31%	38.16%	+40.15%

Dividends

ENPH vs. TAN - Dividend Comparison

Neither ENPH nor TAN has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ENPH Enphase Energy, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TAN Invesco Solar ETF	0.00%	0.00%	0.50%	0.09%	0.00%	0.00%	0.09%	0.30%	0.69%	1.77%	5.04%	1.60%

Frequently Asked Questions

Can I hold both ENPH and TAN in my portfolio?

ENPH and TAN have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ENPH or TAN?

ENPH has higher volatility (22.51%) compared to TAN (12.73%). In terms of maximum drawdown, ENPH dropped -95.97% vs TAN's -95.29%.

Which has better risk-adjusted returns?

TAN currently has the higher Sharpe Ratio (1.08 vs 0.05), 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.