VMNFX vs. RSP

Last updated Jun 25, 2026

VMNFX (Vanguard Market Neutral Fund Investor Shares) and RSP (Invesco S&P 500 Equal Weight ETF) are both funds - VMNFX is a Long-Short fund managed by Vanguard, while RSP is a S&P 500 fund tracking the S&P 500 Equal Weight Index. Over the past 10 years, VMNFX returned 5.20%/yr vs 12.31%/yr for RSP. At a 0.04 correlation, their price movements are largely independent. VMNFX charges 1.31%/yr vs 0.20%/yr for RSP.

Performance

VMNFX vs. RSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Market Neutral Fund Investor Shares (VMNFX) and Invesco S&P 500 Equal Weight ETF (RSP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VMNFX achieves a 14.03% return, which is significantly higher than RSP's 10.72% return. Over the past 10 years, VMNFX has underperformed RSP with an annualized return of 5.20%, while RSP has yielded a comparatively higher 12.31% annualized return.

VMNFX

• 1D: -0.31%
• 1M: 3.58%
• YTD: 14.03%
• 6M: 14.85%
• 1Y: 20.73%
• 3Y*: 13.81%
• 5Y*: 13.89%
• 10Y*: 5.20%

RSP

• 1D: 0.71%
• 1M: 2.23%
• YTD: 10.72%
• 6M: 9.45%
• 1Y: 18.70%
• 3Y*: 15.14%
• 5Y*: 8.63%
• 10Y*: 12.31%

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

VMNFX vs. RSP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VMNFX Vanguard Market Neutral Fund Investor Shares	14.03%	9.27%	5.78%	12.23%	13.48%	23.24%	-11.58%	-9.57%	0.60%	-4.89%
RSP Invesco S&P 500 Equal Weight ETF	10.72%	11.21%	12.79%	13.70%	-11.62%	29.41%	12.66%	28.91%	-7.84%	18.52%

Correlation

The correlation between VMNFX and RSP is -0.17, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.17
Correlation (3Y) Calculated over the trailing 3-year period	-0.10
Correlation (5Y) Calculated over the trailing 5-year period	-0.05
Correlation (10Y) Calculated over the trailing 10-year period	0.05
Correlation (All Time) Calculated using the full available price history since Apr 30, 2003	0.05

The correlation between VMNFX and RSP shifts across timeframes, from -0.17 (1 year) to 0.05 (10 years), reflecting how their relationship changes across market environments.

VMNFX vs. RSP - Sectors Allocation Comparison

Sectors	VMNFX	RSP
Technology	4.8%	20.9%
Basic Materials	1.9%	3.9%
Real Estate	0.1%	6.1%
Utilities	-0.1%	5.7%
Financial Services	-0.1%	13.9%
Energy	-0.1%	4.0%
Healthcare	-0.3%	11.1%
Consumer Cyclical	-0.5%	10.0%
Consumer Defensive	-1.0%	6.4%
Communication Services	-1.9%	3.9%
Industrials	-3.0%	14.2%

Return for Risk

VMNFX vs. RSP — Risk / Return Rank

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

VMNFX

VMNFX Risk / Return Rank: 86
VMNFX Sharpe Ratio Rank: 90
VMNFX Sortino Ratio Rank: 91
VMNFX Omega Ratio Rank: 84
VMNFX Calmar Ratio Rank: 92
VMNFX Martin Ratio Rank: 73

RSP

RSP Risk / Return Rank: 52
RSP Sharpe Ratio Rank: 51
RSP Sortino Ratio Rank: 53
RSP Omega Ratio Rank: 48
RSP Calmar Ratio Rank: 54
RSP Martin Ratio Rank: 56

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.

VMNFX vs. RSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Market Neutral Fund Investor Shares (VMNFX) and Invesco S&P 500 Equal Weight ETF (RSP). 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.

	VMNFX	RSP	Difference
Sharpe ratio: Return per unit of total volatility	2.73	1.59	+1.14
Sortino ratio: Return per unit of downside risk	4.15	2.31	+1.84
Omega ratio: Gain probability vs. loss probability	1.51	1.28	+0.23
Calmar ratio: Return relative to maximum drawdown	4.59	2.39	+2.20
Martin ratio: Return relative to average drawdown	12.86	9.03	+3.83

VMNFX vs. RSP - Sharpe Ratio Comparison

The current VMNFX Sharpe Ratio is 2.73, which is higher than the RSP Sharpe Ratio of 1.59. The chart below compares the historical Sharpe Ratios of VMNFX and RSP, 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

VMNFX vs. RSP - Drawdown Comparison

The maximum VMNFX drawdown since its inception was -26.42%, smaller than the maximum RSP drawdown of -59.92%. Use the drawdown chart below to compare losses from any high point for VMNFX and RSP.

Drawdown Indicators

	VMNFX	RSP	Difference
Max Drawdown Largest peak-to-trough decline	-26.42%	-59.92%	+33.50%
Max Drawdown (1Y) Largest decline over 1 year	-4.65%	-7.85%	+3.20%
Max Drawdown (3Y) Largest decline over 3 years	-5.44%	-17.81%	+12.37%
Max Drawdown (5Y) Largest decline over 5 years	-6.75%	-21.38%	+14.63%
Max Drawdown (10Y) Largest decline over 10 years	-25.09%	-39.04%	+13.95%
Current Drawdown Current decline from peak	-0.31%	-0.79%	+0.48%
Average Drawdown Average peak-to-trough decline	-8.74%	-6.64%	-2.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.66%	2.08%	-0.42%

Volatility

VMNFX vs. RSP - Volatility Comparison

The current volatility for Vanguard Market Neutral Fund Investor Shares (VMNFX) is 2.22%, while Invesco S&P 500 Equal Weight ETF (RSP) has a volatility of 3.59%. This indicates that VMNFX experiences smaller price fluctuations and is considered to be less risky than RSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VMNFX	RSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.22%	3.59%	-1.37%
Volatility (6M) Calculated over the trailing 6-month period	5.77%	8.69%	-2.92%
Volatility (1Y) Calculated over the trailing 1-year period	7.83%	11.81%	-3.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.22%	16.20%	-8.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.41%	18.33%	-11.92%

VMNFX vs. RSP - Expense Ratio Comparison

VMNFX has a 1.31% expense ratio, which is higher than RSP's 0.20% expense ratio.

Dividends

VMNFX vs. RSP - Dividend Comparison

VMNFX's dividend yield for the trailing twelve months is around 3.08%, more than RSP's 1.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RSP Invesco S&P 500 Equal Weight ETF	1.52%	1.64%	1.52%	1.64%	1.82%	1.28%	1.64%	1.69%	2.02%	1.52%	1.20%	1.70%
VMNFX Vanguard Market Neutral Fund Investor Shares	3.08%	3.53%	5.61%	5.09%	0.75%	0.16%	0.81%	3.16%	0.94%	1.07%	0.38%	0.02%

Frequently Asked Questions

Can I hold both VMNFX and RSP in my portfolio?

VMNFX and RSP have a correlation of -0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VMNFX or RSP?

RSP has higher volatility (3.59%) compared to VMNFX (2.22%). In terms of maximum drawdown, VMNFX dropped -26.42% vs RSP's -59.92%.

Which has better risk-adjusted returns?

VMNFX currently has the higher Sharpe Ratio (2.73 vs 1.59), 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.