TAN vs. ENPH

Last updated Jun 3, 2026

TAN (Invesco Solar ETF) is Alternative Energy Equities fund tracking the MAC Global Solar Energy Index, while ENPH (Enphase Energy, Inc.) is a stock. Over the past 10 years, TAN returned 13.81%/yr vs 43.09%/yr for ENPH. A 0.63 correlation means they provide meaningful diversification when combined.

Performance

TAN vs. ENPH - Performance Comparison

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

Returns By Period

In the year-to-date period, TAN achieves a 47.13% return, which is significantly lower than ENPH's 125.68% return. Over the past 10 years, TAN has underperformed ENPH with an annualized return of 13.81%, while ENPH has yielded a comparatively higher 43.09% annualized return.

TAN

• 1D: 1.60%
• 1M: 21.93%
• YTD: 47.13%
• 6M: 51.73%
• 1Y: 127.12%
• 3Y*: 0.29%
• 5Y*: -0.77%
• 10Y*: 13.81%

ENPH

• 1D: 13.48%
• 1M: 113.68%
• YTD: 125.68%
• 6M: 148.39%
• 1Y: 75.05%
• 3Y*: -26.46%
• 5Y*: -11.62%
• 10Y*: 43.09%

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

TAN vs. ENPH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TAN Invesco Solar ETF	47.13%	48.31%	-37.61%	-26.79%	-5.24%	-25.10%	233.96%	66.53%	-25.67%	54.38%
ENPH Enphase Energy, Inc.	125.68%	-53.33%	-48.02%	-50.13%	44.83%	4.26%	571.53%	452.43%	96.27%	138.61%

Correlation

The correlation between TAN and ENPH is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.70
Correlation (All Time) Calculated using the full available price history since Apr 2, 2012	0.63

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

Return for Risk

TAN vs. ENPH — Risk / Return Rank

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

TAN

TAN Risk / Return Rank: 89
TAN Sharpe Ratio Rank: 93
TAN Sortino Ratio Rank: 87
TAN Omega Ratio Rank: 80
TAN Calmar Ratio Rank: 96
TAN Martin Ratio Rank: 91

ENPH

ENPH Risk / Return Rank: 69
ENPH Sharpe Ratio Rank: 68
ENPH Sortino Ratio Rank: 71
ENPH Omega Ratio Rank: 70
ENPH Calmar Ratio Rank: 71
ENPH Martin Ratio Rank: 67

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.

TAN vs. ENPH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Solar ETF (TAN) 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.

	TAN	ENPH	Difference
Sharpe ratio Return per unit of total volatility	3.44	0.89	+2.55
Sortino ratio Return per unit of downside risk	3.94	1.81	+2.13
Omega ratio Gain probability vs. loss probability	1.48	1.23	+0.25
Calmar ratio Return relative to maximum drawdown	9.06	1.73	+7.33
Martin ratio Return relative to average drawdown	22.01	3.14	+18.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TAN vs. ENPH - Sharpe Ratio Comparison

The current TAN Sharpe Ratio is 3.44, which is higher than the ENPH Sharpe Ratio of 0.89. The chart below compares the historical Sharpe Ratios of TAN and ENPH, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TAN	ENPH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.44	0.89	+2.55
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.02	-0.17	+0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.37	0.55	-0.19
Sharpe Ratio (All Time) Calculated using the full available price history	-0.12	0.22	-0.34

Drawdowns

TAN vs. ENPH - Drawdown Comparison

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

Drawdown Indicators

	TAN	ENPH	Difference
Max Drawdown Largest peak-to-trough decline	-95.29%	-95.97%	+0.68%
Max Drawdown (1Y) Largest decline over 1 year	-13.62%	-43.13%	+29.51%
Max Drawdown (3Y) Largest decline over 3 years	-64.40%	-86.23%	+21.83%
Max Drawdown (5Y) Largest decline over 5 years	-73.95%	-92.23%	+18.28%
Max Drawdown (10Y) Largest decline over 10 years	-78.53%	-92.23%	+13.70%
Current Drawdown Current decline from peak	-66.81%	-78.47%	+11.66%
Average Drawdown Average peak-to-trough decline	-78.51%	-50.51%	-28.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.61%	23.79%	-18.18%

Volatility

TAN vs. ENPH - Volatility Comparison

The current volatility for Invesco Solar ETF (TAN) is 11.81%, while Enphase Energy, Inc. (ENPH) has a volatility of 32.78%. This indicates that TAN 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.

Volatility by Period

	TAN	ENPH	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.81%	32.78%	-20.97%
Volatility (6M) Calculated over the trailing 6-month period	25.30%	61.92%	-36.62%
Volatility (1Y) Calculated over the trailing 1-year period	37.21%	84.45%	-47.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	39.74%	69.63%	-29.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.98%	78.14%	-40.16%

Dividends

TAN vs. ENPH - Dividend Comparison

Neither TAN nor ENPH 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 TAN and ENPH in my portfolio?

TAN and ENPH have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TAN or ENPH?

ENPH has higher volatility (32.78%) compared to TAN (11.81%). In terms of maximum drawdown, TAN dropped -95.29% vs ENPH's -95.97%.

Which has better risk-adjusted returns?

TAN currently has the higher Sharpe Ratio (3.44 vs 0.89), 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.