RSPG vs. VOOG

Last updated Aug 2, 2026

RSPG (Invesco S&P 500 Equal Weight Energy ETF) and VOOG (Vanguard S&P 500 Growth ETF) are both exchange-traded funds - RSPG is a Energy Equities fund tracking the S&P 500 Equal Weight Energy Plus Index, while VOOG is a S&P 500 fund tracking the S&P 500 Growth Index. Both are passively managed. Over the past 10 years, RSPG returned 9.99%/yr vs 17.31%/yr for VOOG. Their 0.41 correlation means their historical movements had little consistent relationship. RSPG charges 0.40%/yr vs 0.07%/yr for VOOG.

Performance

RSPG vs. VOOG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Equal Weight Energy ETF (RSPG) and Vanguard S&P 500 Growth ETF (VOOG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RSPG achieves a 35.64% return, which is significantly higher than VOOG's 9.98% return. Over the past 10 years, RSPG has underperformed VOOG with an annualized return of 9.99%, while VOOG has yielded a comparatively higher 17.31% annualized return.

RSPG

• 1D: 1.45%
• 1M: 9.65%
• 6M: 20.75%
• YTD: 35.64%
• 1Y: 46.87%
• 3Y*: 15.10%
• 5Y*: 24.85%
• 10Y*: 9.99%
• ALL TIME*: 6.10%

VOOG

• 1D: 1.41%
• 1M: -0.16%
• 6M: 9.44%
• YTD: 9.98%
• 1Y: 21.57%
• 3Y*: 23.95%
• 5Y*: 13.21%
• 10Y*: 17.31%
• ALL TIME*: 16.65%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
RSPG Invesco S&P 500 Equal Weight Energy ETF	$7.49M	$8.09M	$10.58M
VOOG Vanguard S&P 500 Growth ETF	$98.60M	$105.57M	$127.27M

RSPG vs. VOOG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RSPG Invesco S&P 500 Equal Weight Energy ETF	35.64%	7.01%	6.09%	4.49%	57.97%	57.73%	-32.44%	13.38%	-24.68%	-6.39%
VOOG Vanguard S&P 500 Growth ETF	9.98%	22.11%	35.89%	29.96%	-29.48%	31.95%	33.35%	30.93%	-0.21%	27.19%

Correlation

The correlation between RSPG and VOOG is -0.15, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.15
Correlation (3Y) Balances recent behavior with more history.	0.09
Correlation (5Y) Shows whether the relationship held over a longer period.	0.22
Correlation (10Y) Provides a long-term view across more market conditions.	0.30
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.41

The correlation between RSPG and VOOG shifts across timeframes, from -0.15 (1 year) to 0.41 (all time), reflecting how their relationship changes across market environments.

RSPG vs. VOOG - Sectors Allocation Comparison

Sectors	RSPG	VOOG
Energy	100.0%	0.1%
Financial Services	0.0%	8.6%
Basic Materials	-	0.3%
Communication Services	-	15.6%
Consumer Cyclical	-	8.6%
Consumer Defensive	-	1.0%
Healthcare	-	6.2%
Industrials	-	6.4%
Real Estate	-	0.6%
Technology	-	52.4%
Utilities	-	0.4%

Return for Risk

RSPG vs. VOOG — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

RSPG

RSPG Risk / Return Rank: 78
RSPG Sharpe Ratio Rank: 85
RSPG Sortino Ratio Rank: 79
RSPG Omega Ratio Rank: 77
RSPG Calmar Ratio Rank: 84
RSPG Martin Ratio Rank: 66

VOOG

VOOG Risk / Return Rank: 43
VOOG Sharpe Ratio Rank: 44
VOOG Sortino Ratio Rank: 43
VOOG Omega Ratio Rank: 41
VOOG Calmar Ratio Rank: 40
VOOG Martin Ratio Rank: 46

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

RSPG vs. VOOG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Equal Weight Energy ETF (RSPG) and Vanguard S&P 500 Growth ETF (VOOG). 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.

	RSPG	VOOG	Difference
Sharpe ratio: Return per unit of total volatility	1.98	1.08	+0.90
Sortino ratio: Return per unit of downside risk	2.54	1.57	+0.97
Omega ratio: Gain probability vs. loss probability	1.32	1.19	+0.13
Calmar ratio: Return relative to maximum drawdown	3.18	1.41	+1.76
Martin ratio: Return relative to average drawdown	8.07	5.13	+2.94

RSPG vs. VOOG - Sharpe Ratio Comparison

The current RSPG Sharpe Ratio is 1.98, which is higher than the VOOG Sharpe Ratio of 1.08. The chart below compares the historical Sharpe Ratios of RSPG and VOOG, 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

RSPG vs. VOOG - Drawdown Comparison

The maximum RSPG drawdown since its inception was -79.98%, which is greater than VOOG's maximum drawdown of -32.73%. Use the drawdown chart below to compare losses from any high point for RSPG and VOOG.

Drawdown Indicators

	RSPG	VOOG	Difference
Max Drawdown Largest peak-to-trough decline	-79.98%	-32.73%	-47.25%
Max Drawdown (1Y) Largest decline over 1 year	-13.72%	-13.71%	-0.01%
Max Drawdown (3Y) Largest decline over 3 years	-23.06%	-22.18%	-0.88%
Max Drawdown (5Y) Largest decline over 5 years	-28.44%	-32.73%	+4.29%
Max Drawdown (10Y) Largest decline over 10 years	-73.17%	-32.73%	-40.44%
Current Drawdown Current decline from peak	-4.71%	-4.38%	-0.33%
Average Drawdown Average peak-to-trough decline	-25.33%	-4.96%	-20.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.43%	3.77%	+1.66%

Volatility

RSPG vs. VOOG - Volatility Comparison

Invesco S&P 500 Equal Weight Energy ETF (RSPG) and Vanguard S&P 500 Growth ETF (VOOG) have volatilities of 6.13% and 6.11%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RSPG	VOOG	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.13%	6.11%	+0.02%
Volatility (6M) Calculated over the trailing 6-month period	16.97%	14.81%	+2.16%
Volatility (1Y) Calculated over the trailing 1-year period	22.06%	17.97%	+4.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.93%	21.52%	+6.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.44%	20.87%	+12.57%

RSPG vs. VOOG - Expense Ratio Comparison

RSPG has a 0.40% expense ratio, which is higher than VOOG's 0.07% expense ratio.

Dividends

RSPG vs. VOOG - Dividend Comparison

RSPG's dividend yield for the trailing twelve months is around 1.96%, more than VOOG's 0.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RSPG Invesco S&P 500 Equal Weight Energy ETF	1.96%	2.60%	2.43%	2.84%	3.43%	2.37%	3.15%	2.15%	2.18%	2.55%	1.14%	2.80%
VOOG Vanguard S&P 500 Growth ETF	0.46%	0.49%	0.49%	1.12%	0.93%	0.53%	0.88%	1.26%	1.34%	1.32%	1.47%	1.56%

Frequently Asked Questions

Can I hold both RSPG and VOOG in my portfolio?

RSPG and VOOG have a correlation of -0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RSPG or VOOG?

RSPG has higher volatility (6.13%) compared to VOOG (6.11%). In terms of maximum drawdown, RSPG dropped -79.98% vs VOOG's -32.73%.

Which ETF is better, RSPG or VOOG?

On 10-year performance, VOOG leads with 17.31% vs 9.99% for RSPG. On fees, VOOG is cheaper at 0.07% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RSPG or VOOG?

Over the 10-year period, VOOG has performed better with a 17.31% return vs 9.99%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RSPG or VOOG?

VOOG is cheaper with a 0.07% expense ratio, compared with 0.40% for RSPG.

Which ETF pays a higher dividend yield, RSPG or VOOG?

RSPG has the higher dividend yield at 1.96%, compared with 0.46% for VOOG.

What is the main difference between RSPG and VOOG?

RSPG is categorized as Energy Equities, while VOOG is S&P 500. RSPG tracks S&P 500 Equal Weight Energy Plus Index, while VOOG tracks S&P 500 Growth Index. They also come from different issuers: Invesco and Vanguard. Their fees differ too: 0.40% for RSPG and 0.07% for VOOG.

Which has better risk-adjusted returns?

RSPG currently has the higher Sharpe Ratio (1.98 vs 1.08), 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.