PSIFX vs. VPMAX

Last updated Aug 1, 2026

PSIFX (PGIM Quant Solutions Stock Index Fund) and VPMAX (Vanguard PRIMECAP Fund Admiral Shares) are both Large Cap Blend Equities funds. Over the past 10 years, PSIFX returned 16.06%/yr vs 16.66%/yr for VPMAX. Their correlation of 0.94 means they have usually moved in the same direction. PSIFX charges 0.24%/yr vs 0.27%/yr for VPMAX.

Performance

PSIFX vs. VPMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PGIM Quant Solutions Stock Index Fund (PSIFX) and Vanguard PRIMECAP Fund Admiral Shares (VPMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PSIFX achieves a 9.21% return, which is significantly lower than VPMAX's 20.70% return. Both investments have delivered pretty close results over the past 10 years, with PSIFX having a 16.06% annualized return and VPMAX not far ahead at 16.66%.

PSIFX

• 1D: 1.66%
• 1M: -0.55%
• 6M: 7.68%
• YTD: 9.21%
• 1Y: 20.39%
• 3Y*: 20.08%
• 5Y*: 10.89%
• 10Y*: 16.06%
• ALL TIME*: 10.96%

VPMAX

• 1D: 2.95%
• 1M: -3.97%
• 6M: 14.66%
• YTD: 20.70%
• 1Y: 47.11%
• 3Y*: 23.43%
• 5Y*: 14.89%
• 10Y*: 16.66%
• ALL TIME*: 12.32%

*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)
PSIFX PGIM Quant Solutions Stock Index Fund	$0.00	$0.00	$0.00
VPMAX Vanguard PRIMECAP Fund Admiral Shares	$0.00	$0.00	$0.00

PSIFX vs. VPMAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PSIFX PGIM Quant Solutions Stock Index Fund	9.21%	17.59%	28.87%	26.03%	-18.45%	16.13%	18.30%	58.00%	-5.01%	21.61%
VPMAX Vanguard PRIMECAP Fund Admiral Shares	20.70%	29.70%	13.30%	28.25%	-15.16%	21.72%	17.23%	27.88%	-1.93%	28.28%

Correlation

The correlation between PSIFX and VPMAX is 0.86, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.86
Correlation (3Y) Balances recent behavior with more history.	0.89
Correlation (5Y) Shows whether the relationship held over a longer period.	0.92
Correlation (10Y) Provides a long-term view across more market conditions.	0.92
Correlation (All Time) Calculated using the full available price history since Nov 12, 2001	0.94

The correlation between PSIFX and VPMAX has been stable across timeframes, ranging from 0.86 to 0.94 - a consistent structural relationship.

Return for Risk

PSIFX vs. VPMAX — Risk / Return Rank

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

PSIFX

PSIFX Risk / Return Rank: 52
PSIFX Sharpe Ratio Rank: 49
PSIFX Sortino Ratio Rank: 46
PSIFX Omega Ratio Rank: 47
PSIFX Calmar Ratio Rank: 53
PSIFX Martin Ratio Rank: 67

VPMAX

VPMAX Risk / Return Rank: 90
VPMAX Sharpe Ratio Rank: 91
VPMAX Sortino Ratio Rank: 87
VPMAX Omega Ratio Rank: 84
VPMAX Calmar Ratio Rank: 93
VPMAX Martin Ratio Rank: 94

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.

PSIFX vs. VPMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PGIM Quant Solutions Stock Index Fund (PSIFX) and Vanguard PRIMECAP Fund Admiral Shares (VPMAX). 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.

	PSIFX	VPMAX	Difference
Sharpe ratio: Return per unit of total volatility	1.41	2.29	-0.88
Sortino ratio: Return per unit of downside risk	1.97	3.13	-1.16
Omega ratio: Gain probability vs. loss probability	1.25	1.40	-0.15
Calmar ratio: Return relative to maximum drawdown	2.03	3.73	-1.70
Martin ratio: Return relative to average drawdown	8.70	14.01	-5.31

PSIFX vs. VPMAX - Sharpe Ratio Comparison

The current PSIFX Sharpe Ratio is 1.41, which is lower than the VPMAX Sharpe Ratio of 2.29. The chart below compares the historical Sharpe Ratios of PSIFX and VPMAX, 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

PSIFX vs. VPMAX - Drawdown Comparison

The maximum PSIFX drawdown since its inception was -55.36%, which is greater than VPMAX's maximum drawdown of -48.32%. Use the drawdown chart below to compare losses from any high point for PSIFX and VPMAX.

Drawdown Indicators

	PSIFX	VPMAX	Difference
Max Drawdown Largest peak-to-trough decline	-55.36%	-48.32%	-7.04%
Max Drawdown (1Y) Largest decline over 1 year	-8.93%	-11.72%	+2.79%
Max Drawdown (3Y) Largest decline over 3 years	-18.77%	-20.55%	+1.78%
Max Drawdown (5Y) Largest decline over 5 years	-30.56%	-25.21%	-5.35%
Max Drawdown (10Y) Largest decline over 10 years	-33.76%	-32.65%	-1.11%
Current Drawdown Current decline from peak	-2.13%	-7.53%	+5.40%
Average Drawdown Average peak-to-trough decline	-9.49%	-6.56%	-2.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.08%	3.12%	-1.04%

Volatility

PSIFX vs. VPMAX - Volatility Comparison

The current volatility for PGIM Quant Solutions Stock Index Fund (PSIFX) is 3.43%, while Vanguard PRIMECAP Fund Admiral Shares (VPMAX) has a volatility of 6.29%. This indicates that PSIFX experiences smaller price fluctuations and is considered to be less risky than VPMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSIFX	VPMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.43%	6.29%	-2.86%
Volatility (6M) Calculated over the trailing 6-month period	10.10%	16.18%	-6.08%
Volatility (1Y) Calculated over the trailing 1-year period	12.86%	19.08%	-6.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.74%	18.81%	-1.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.59%	19.39%	+0.20%

PSIFX vs. VPMAX - Expense Ratio Comparison

PSIFX has a 0.24% expense ratio, which is lower than VPMAX's 0.27% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

PSIFX vs. VPMAX - Dividend Comparison

PSIFX's dividend yield for the trailing twelve months is around 7.86%, less than VPMAX's 13.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PSIFX PGIM Quant Solutions Stock Index Fund	7.86%	8.58%	7.80%	13.52%	16.37%	1.12%	28.17%	34.50%	23.67%	6.19%	3.87%	3.85%
VPMAX Vanguard PRIMECAP Fund Admiral Shares	13.63%	16.46%	6.71%	7.24%	9.94%	10.18%	9.82%	7.23%	8.43%	4.52%	5.13%	5.99%

Frequently Asked Questions

Can I hold both PSIFX and VPMAX in my portfolio?

PSIFX and VPMAX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSIFX or VPMAX?

VPMAX has higher volatility (6.29%) compared to PSIFX (3.43%). In terms of maximum drawdown, PSIFX dropped -55.36% vs VPMAX's -48.32%.

Which has better risk-adjusted returns?

VPMAX currently has the higher Sharpe Ratio (2.29 vs 1.41), 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.