TAN vs. EPAM

Last updated Jun 14, 2026

TAN (Invesco Solar ETF) is Alternative Energy Equities fund tracking the MAC Global Solar Energy Index, while EPAM (EPAM Systems, Inc.) is a stock. Over the past 10 years, TAN returned 13.06%/yr vs 2.97%/yr for EPAM. At a 0.36 correlation, their price movements are largely independent.

Performance

TAN vs. EPAM - Performance Comparison

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

Returns By Period

In the year-to-date period, TAN achieves a 28.32% return, which is significantly higher than EPAM's -53.45% return. Over the past 10 years, TAN has outperformed EPAM with an annualized return of 13.06%, while EPAM has yielded a comparatively lower 2.97% annualized return.

TAN

• 1D: 1.17%
• 1M: -2.96%
• YTD: 28.32%
• 6M: 31.75%
• 1Y: 80.24%
• 3Y*: -4.29%
• 5Y*: -4.50%
• 10Y*: 13.06%

EPAM

• 1D: 2.82%
• 1M: 2.54%
• YTD: -53.45%
• 6M: -54.50%
• 1Y: -44.14%
• 3Y*: -24.19%
• 5Y*: -28.44%
• 10Y*: 2.97%

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

TAN vs. EPAM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TAN Invesco Solar ETF	28.32%	48.31%	-37.61%	-26.79%	-5.24%	-25.10%	233.96%	66.53%	-25.67%	54.38%
EPAM EPAM Systems, Inc.	-53.45%	-12.38%	-21.36%	-9.28%	-50.97%	86.54%	68.91%	82.88%	7.99%	67.05%

Correlation

The correlation between TAN and EPAM is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.25
Correlation (5Y) Calculated over the trailing 5-year period	0.36
Correlation (10Y) Calculated over the trailing 10-year period	0.39
Correlation (All Time) Calculated using the full available price history since Feb 8, 2012	0.36

Over the past year, the correlation between TAN and EPAM has dropped to 0.13 - well below their long-term average of 0.36, suggesting their price drivers have been diverging.

Return for Risk

TAN vs. EPAM — Risk / Return Rank

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

TAN

TAN Risk / Return Rank: 76
TAN Sharpe Ratio Rank: 78
TAN Sortino Ratio Rank: 71
TAN Omega Ratio Rank: 65
TAN Calmar Ratio Rank: 86
TAN Martin Ratio Rank: 81

EPAM

EPAM Risk / Return Rank: 7
EPAM Sharpe Ratio Rank: 5
EPAM Sortino Ratio Rank: 7
EPAM Omega Ratio Rank: 7
EPAM Calmar Ratio Rank: 13
EPAM Martin Ratio Rank: 4

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. EPAM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Solar ETF (TAN) and EPAM Systems, Inc. (EPAM). 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.

	TAN	EPAM	Difference
Sharpe ratio: Return per unit of total volatility	2.17	-1.03	+3.20
Sortino ratio: Return per unit of downside risk	2.75	-1.42	+4.17
Omega ratio: Gain probability vs. loss probability	1.34	0.81	+0.52
Calmar ratio: Return relative to maximum drawdown	4.23	-0.77	+5.01
Martin ratio: Return relative to average drawdown	13.77	-1.66	+15.43

TAN vs. EPAM - Sharpe Ratio Comparison

The current TAN Sharpe Ratio is 2.17, which is higher than the EPAM Sharpe Ratio of -1.03. The chart below compares the historical Sharpe Ratios of TAN and EPAM, 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

TAN vs. EPAM - Drawdown Comparison

The maximum TAN drawdown since its inception was -95.29%, which is greater than EPAM's maximum drawdown of -87.50%. Use the drawdown chart below to compare losses from any high point for TAN and EPAM.

Drawdown Indicators

	TAN	EPAM	Difference
Max Drawdown Largest peak-to-trough decline	-95.29%	-87.50%	-7.79%
Max Drawdown (1Y) Largest decline over 1 year	-19.98%	-59.49%	+39.51%
Max Drawdown (3Y) Largest decline over 3 years	-64.40%	-71.49%	+7.09%
Max Drawdown (5Y) Largest decline over 5 years	-73.95%	-87.50%	+13.55%
Max Drawdown (10Y) Largest decline over 10 years	-78.53%	-87.50%	+8.97%
Current Drawdown Current decline from peak	-71.05%	-86.71%	+15.66%
Average Drawdown Average peak-to-trough decline	-78.48%	-25.77%	-52.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.13%	27.61%	-21.48%

Volatility

TAN vs. EPAM - Volatility Comparison

Invesco Solar ETF (TAN) has a higher volatility of 16.32% compared to EPAM Systems, Inc. (EPAM) at 15.10%. This indicates that TAN's price experiences larger fluctuations and is considered to be riskier than EPAM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TAN	EPAM	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.32%	15.10%	+1.22%
Volatility (6M) Calculated over the trailing 6-month period	28.02%	37.74%	-9.72%
Volatility (1Y) Calculated over the trailing 1-year period	39.00%	44.61%	-5.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	40.04%	54.30%	-14.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	38.11%	45.80%	-7.69%

Dividends

TAN vs. EPAM - Dividend Comparison

Neither TAN nor EPAM has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EPAM EPAM Systems, 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 EPAM in my portfolio?

TAN and EPAM have a correlation of 0.13, 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 EPAM?

TAN has higher volatility (16.32%) compared to EPAM (15.10%). In terms of maximum drawdown, TAN dropped -95.29% vs EPAM's -87.50%.

Which has better risk-adjusted returns?

TAN currently has the higher Sharpe Ratio (2.17 vs -1.03), 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.