RSPU vs. VO

Last updated Jun 14, 2026

RSPU (Invesco S&P 500 Equal Weight Utilities ETF) and VO (Vanguard Mid-Cap ETF) are both exchange-traded funds - RSPU is a Utilities Equities fund tracking the S&P 500 Equal Weighted / Utilities Plus, while VO is a Mid Cap Blend Equities fund tracking the CRSP US Mid Cap Index. Both are passively managed. Over the past 10 years, RSPU returned 9.57%/yr vs 11.77%/yr for VO. At a 0.48 correlation, their price movements are largely independent. RSPU charges 0.40%/yr vs 0.03%/yr for VO.

Performance

RSPU vs. VO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P 500 Equal Weight Utilities ETF (RSPU) and Vanguard Mid-Cap ETF (VO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RSPU achieves a 6.94% return, which is significantly lower than VO's 10.43% return. Over the past 10 years, RSPU has underperformed VO with an annualized return of 9.57%, while VO has yielded a comparatively higher 11.77% annualized return.

RSPU

• 1D: 1.00%
• 1M: 0.48%
• YTD: 6.94%
• 6M: 7.66%
• 1Y: 15.11%
• 3Y*: 15.64%
• 5Y*: 10.86%
• 10Y*: 9.57%

VO

• 1D: 0.97%
• 1M: 2.97%
• YTD: 10.43%
• 6M: 9.31%
• 1Y: 19.60%
• 3Y*: 15.74%
• 5Y*: 7.79%
• 10Y*: 11.77%

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

RSPU vs. VO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RSPU Invesco S&P 500 Equal Weight Utilities ETF	6.94%	16.82%	23.57%	-3.45%	4.37%	17.13%	-2.70%	22.94%	6.89%	9.43%
VO Vanguard Mid-Cap ETF	10.43%	11.62%	15.31%	16.03%	-18.73%	24.70%	18.10%	30.98%	-9.24%	19.28%

Correlation

The correlation between RSPU and VO is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.35
Correlation (3Y) Calculated over the trailing 3-year period	0.47
Correlation (5Y) Calculated over the trailing 5-year period	0.48
Correlation (10Y) Calculated over the trailing 10-year period	0.43
Correlation (All Time) Calculated using the full available price history since Nov 7, 2006	0.48

The correlation between RSPU and VO shifts across timeframes, from 0.35 (1 year) to 0.48 (all time), reflecting how their relationship changes across market environments.

RSPU vs. VO - Sectors Allocation Comparison

Sectors	RSPU	VO
Utilities	99.8%	8.3%
Financial Services	0.2%	12.8%
Basic Materials	-	4.2%
Communication Services	-	3.1%
Consumer Cyclical	-	8.6%
Consumer Defensive	-	4.8%
Energy	-	8.5%
Healthcare	-	7.6%
Industrials	-	17.9%
Real Estate	-	5.4%
Technology	-	18.6%

Return for Risk

RSPU vs. VO — Risk / Return Rank

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

RSPU

RSPU Risk / Return Rank: 31
RSPU Sharpe Ratio Rank: 31
RSPU Sortino Ratio Rank: 29
RSPU Omega Ratio Rank: 28
RSPU Calmar Ratio Rank: 38
RSPU Martin Ratio Rank: 30

VO

VO Risk / Return Rank: 49
VO Sharpe Ratio Rank: 47
VO Sortino Ratio Rank: 46
VO Omega Ratio Rank: 44
VO Calmar Ratio Rank: 51
VO Martin Ratio Rank: 55

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.

RSPU vs. VO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Equal Weight Utilities ETF (RSPU) and Vanguard Mid-Cap ETF (VO). 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.

	RSPU	VO	Difference
Sharpe ratio: Return per unit of total volatility	1.01	1.43	-0.42
Sortino ratio: Return per unit of downside risk	1.42	2.05	-0.63
Omega ratio: Gain probability vs. loss probability	1.18	1.25	-0.08
Calmar ratio: Return relative to maximum drawdown	1.67	2.23	-0.56
Martin ratio: Return relative to average drawdown	3.77	8.44	-4.67

RSPU vs. VO - Sharpe Ratio Comparison

The current RSPU Sharpe Ratio is 1.01, which is comparable to the VO Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of RSPU and VO, 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

RSPU vs. VO - Drawdown Comparison

The maximum RSPU drawdown since its inception was -48.08%, smaller than the maximum VO drawdown of -58.87%. Use the drawdown chart below to compare losses from any high point for RSPU and VO.

Drawdown Indicators

	RSPU	VO	Difference
Max Drawdown Largest peak-to-trough decline	-48.08%	-58.87%	+10.79%
Max Drawdown (1Y) Largest decline over 1 year	-8.46%	-8.17%	-0.29%
Max Drawdown (3Y) Largest decline over 3 years	-16.27%	-19.02%	+2.75%
Max Drawdown (5Y) Largest decline over 5 years	-21.86%	-27.57%	+5.71%
Max Drawdown (10Y) Largest decline over 10 years	-36.85%	-39.37%	+2.52%
Current Drawdown Current decline from peak	-5.28%	-0.45%	-4.83%
Average Drawdown Average peak-to-trough decline	-7.85%	-7.85%	0.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.75%	2.16%	+1.59%

Volatility

RSPU vs. VO - Volatility Comparison

Invesco S&P 500 Equal Weight Utilities ETF (RSPU) has a higher volatility of 5.41% compared to Vanguard Mid-Cap ETF (VO) at 4.31%. This indicates that RSPU's price experiences larger fluctuations and is considered to be riskier than VO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RSPU	VO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.41%	4.31%	+1.10%
Volatility (6M) Calculated over the trailing 6-month period	11.11%	9.71%	+1.40%
Volatility (1Y) Calculated over the trailing 1-year period	14.10%	12.74%	+1.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.95%	17.65%	-0.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.10%	18.96%	+0.14%

RSPU vs. VO - Expense Ratio Comparison

RSPU has a 0.40% expense ratio, which is higher than VO's 0.03% expense ratio.

Dividends

RSPU vs. VO - Dividend Comparison

RSPU's dividend yield for the trailing twelve months is around 2.49%, more than VO's 1.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RSPU Invesco S&P 500 Equal Weight Utilities ETF	2.49%	2.54%	2.39%	2.92%	2.35%	2.41%	2.94%	2.54%	3.11%	3.08%	2.98%	4.14%
VO Vanguard Mid-Cap ETF	1.36%	1.52%	1.49%	1.52%	1.60%	1.12%	1.45%	1.48%	1.82%	1.35%	1.45%	1.47%

Frequently Asked Questions

Can I hold both RSPU and VO in my portfolio?

RSPU and VO have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RSPU or VO?

RSPU has higher volatility (5.41%) compared to VO (4.31%). In terms of maximum drawdown, RSPU dropped -48.08% vs VO's -58.87%.

Which ETF is better, RSPU or VO?

On 10-year performance, VO leads with 11.77% vs 9.57% for RSPU. On fees, VO is cheaper at 0.03% per year. On volatility, VO has been the lower-risk option at 4.31%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RSPU or VO?

Over the 10-year period, VO has performed better with a 11.77% return vs 9.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RSPU or VO?

VO is cheaper with a 0.03% expense ratio, compared with 0.40% for RSPU.

Which ETF pays a higher dividend yield, RSPU or VO?

RSPU has the higher dividend yield at 2.49%, compared with 1.36% for VO.

What is the main difference between RSPU and VO?

RSPU is categorized as Utilities Equities, while VO is Mid Cap Blend Equities. RSPU tracks S&P 500 Equal Weighted / Utilities Plus, while VO tracks CRSP US Mid Cap Index. They also come from different issuers: Invesco and Vanguard. Their fees differ too: 0.40% for RSPU and 0.03% for VO.

Which has better risk-adjusted returns?

VO currently has the higher Sharpe Ratio (1.43 vs 1.01), 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.