GRPM vs. VO

Last updated Aug 2, 2026

GRPM (Invesco S&P MidCap 400® GARP ETF) and VO (Vanguard Mid-Cap ETF) are both Mid Cap Blend Equities funds - GRPM tracks the S&P MidCap 400® GARP Index while VO tracks the CRSP US Mid Cap Index. Both are passively managed. Over the past 10 years, GRPM returned 11.33%/yr vs 11.50%/yr for VO. Their correlation of 0.90 means they have usually moved in the same direction. GRPM charges 0.35%/yr vs 0.03%/yr for VO.

Performance

GRPM vs. VO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P MidCap 400® GARP ETF (GRPM) 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, GRPM achieves a 13.17% return, which is significantly higher than VO's 12.35% return. Both investments have delivered pretty close results over the past 10 years, with GRPM having a 11.33% annualized return and VO not far ahead at 11.50%.

GRPM

• 1D: -0.35%
• 1M: 2.06%
• 6M: 11.71%
• YTD: 13.17%
• 1Y: 21.04%
• 3Y*: 13.73%
• 5Y*: 9.29%
• 10Y*: 11.33%
• ALL TIME*: 11.48%

VO

• 1D: -0.05%
• 1M: 0.55%
• 6M: 10.12%
• YTD: 12.35%
• 1Y: 16.51%
• 3Y*: 14.32%
• 5Y*: 7.77%
• 10Y*: 11.50%
• ALL TIME*: 10.33%

*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)
GRPM Invesco S&P MidCap 400® GARP ETF	$1.43M	$1.18M	$1.33M
VO Vanguard Mid-Cap ETF	$194.51M	$293.72M	$235.90M

GRPM vs. VO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GRPM Invesco S&P MidCap 400® GARP ETF	13.17%	7.81%	15.67%	18.79%	-11.63%	26.35%	15.60%	23.05%	-12.45%	13.05%
VO Vanguard Mid-Cap ETF	12.35%	11.62%	15.31%	16.03%	-18.73%	24.70%	18.10%	30.98%	-9.24%	19.28%

Correlation

The correlation between GRPM and VO is 0.79, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.79
Correlation (3Y) Balances recent behavior with more history.	0.85
Correlation (5Y) Shows whether the relationship held over a longer period.	0.90
Correlation (10Y) Provides a long-term view across more market conditions.	0.89
Correlation (All Time) Calculated using the full available price history since Dec 8, 2010	0.90

The correlation between GRPM and VO shifts across timeframes, from 0.79 (1 year) to 0.90 (5 years), reflecting how their relationship changes across market environments.

GRPM vs. VO - Sectors Allocation Comparison

Sectors	GRPM	VO
Financial Services	23.3%	13.1%
Technology	20.8%	18.2%
Healthcare	19.0%	7.8%
Consumer Cyclical	13.1%	9.0%
Industrials	12.3%	19.9%
Energy	5.0%	7.4%
Basic Materials	3.8%	3.9%
Consumer Defensive	2.6%	4.6%
Communication Services	-	2.7%
Real Estate	-	5.1%
Utilities	-	8.4%

Return for Risk

GRPM vs. VO — Risk / Return Rank

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

GRPM

GRPM Risk / Return Rank: 58
GRPM Sharpe Ratio Rank: 53
GRPM Sortino Ratio Rank: 53
GRPM Omega Ratio Rank: 49
GRPM Calmar Ratio Rank: 74
GRPM Martin Ratio Rank: 64

VO

VO Risk / Return Rank: 51
VO Sharpe Ratio Rank: 48
VO Sortino Ratio Rank: 49
VO Omega Ratio Rank: 46
VO Calmar Ratio Rank: 52
VO Martin Ratio Rank: 59

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.

GRPM vs. VO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P MidCap 400® GARP ETF (GRPM) 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.

	GRPM	VO	Difference
Sharpe ratio: Return per unit of total volatility	1.26	1.18	+0.08
Sortino ratio: Return per unit of downside risk	1.88	1.73	+0.15
Omega ratio: Gain probability vs. loss probability	1.22	1.21	+0.01
Calmar ratio: Return relative to maximum drawdown	2.58	1.83	+0.75
Martin ratio: Return relative to average drawdown	7.67	6.99	+0.68

GRPM vs. VO - Sharpe Ratio Comparison

The current GRPM Sharpe Ratio is 1.26, which is comparable to the VO Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of GRPM 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

GRPM vs. VO - Drawdown Comparison

The maximum GRPM drawdown since its inception was -43.12%, smaller than the maximum VO drawdown of -58.87%. Use the drawdown chart below to compare losses from any high point for GRPM and VO.

Drawdown Indicators

	GRPM	VO	Difference
Max Drawdown Largest peak-to-trough decline	-43.12%	-58.87%	+15.75%
Max Drawdown (1Y) Largest decline over 1 year	-7.62%	-8.17%	+0.55%
Max Drawdown (3Y) Largest decline over 3 years	-28.09%	-19.02%	-9.07%
Max Drawdown (5Y) Largest decline over 5 years	-28.09%	-27.57%	-0.52%
Max Drawdown (10Y) Largest decline over 10 years	-43.12%	-39.37%	-3.75%
Current Drawdown Current decline from peak	-1.19%	-0.49%	-0.70%
Average Drawdown Average peak-to-trough decline	-5.66%	-7.81%	+2.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.56%	2.13%	+0.43%

Volatility

GRPM vs. VO - Volatility Comparison

Invesco S&P MidCap 400® GARP ETF (GRPM) has a higher volatility of 4.04% compared to Vanguard Mid-Cap ETF (VO) at 2.09%. This indicates that GRPM'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

	GRPM	VO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.04%	2.09%	+1.95%
Volatility (6M) Calculated over the trailing 6-month period	10.51%	9.44%	+1.07%
Volatility (1Y) Calculated over the trailing 1-year period	15.65%	12.61%	+3.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.80%	17.59%	+3.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.19%	18.86%	+3.33%

GRPM vs. VO - Expense Ratio Comparison

GRPM has a 0.35% expense ratio, which is higher than VO's 0.03% expense ratio.

Dividends

GRPM vs. VO - Dividend Comparison

GRPM's dividend yield for the trailing twelve months is around 0.70%, less than VO's 1.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GRPM Invesco S&P MidCap 400® GARP ETF	0.70%	1.19%	0.95%	0.96%	1.28%	0.92%	1.16%	1.25%	1.50%	1.14%	1.00%	1.43%
VO Vanguard Mid-Cap ETF	1.32%	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 GRPM and VO in my portfolio?

GRPM and VO have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GRPM or VO?

GRPM has higher volatility (4.04%) compared to VO (2.09%). In terms of maximum drawdown, GRPM dropped -43.12% vs VO's -58.87%.

Which ETF is better, GRPM or VO?

On 10-year performance, VO leads with 11.50% vs 11.33% for GRPM. On fees, VO is cheaper at 0.03% per year. On volatility, VO has been the lower-risk option at 2.09%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GRPM or VO?

Over the 10-year period, VO has performed better with a 11.50% return vs 11.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GRPM or VO?

VO is cheaper with a 0.03% expense ratio, compared with 0.35% for GRPM.

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

VO has the higher dividend yield at 1.32%, compared with 0.70% for GRPM.

What is the main difference between GRPM and VO?

GRPM tracks S&P MidCap 400® GARP Index, while VO tracks CRSP US Mid Cap Index. They also come from different issuers: Invesco and Vanguard. Their fees differ too: 0.35% for GRPM and 0.03% for VO.

Which has better risk-adjusted returns?

GRPM currently has the higher Sharpe Ratio (1.26 vs 1.18), 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.