RPEAX vs. VITPX

Last updated Jun 4, 2026

RPEAX (Davis Opportunity Fund) and VITPX (Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares) are both Large Cap Blend Equities funds. Over the past 10 years, RPEAX returned 13.19%/yr vs 15.19%/yr for VITPX. Their correlation of 0.90 suggests significant overlap in exposure. RPEAX charges 0.93%/yr vs 0.02%/yr for VITPX.

Performance

RPEAX vs. VITPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Davis Opportunity Fund (RPEAX) and Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares (VITPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RPEAX achieves a 13.25% return, which is significantly higher than VITPX's 11.99% return. Over the past 10 years, RPEAX has underperformed VITPX with an annualized return of 13.19%, while VITPX has yielded a comparatively higher 15.19% annualized return.

RPEAX

• 1D: 0.65%
• 1M: 5.36%
• YTD: 13.25%
• 6M: 14.56%
• 1Y: 32.69%
• 3Y*: 28.13%
• 5Y*: 13.66%
• 10Y*: 13.19%

VITPX

• 1D: 0.24%
• 1M: 5.76%
• YTD: 11.99%
• 6M: 11.89%
• 1Y: 29.15%
• 3Y*: 22.92%
• 5Y*: 13.38%
• 10Y*: 15.19%

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

RPEAX vs. VITPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RPEAX Davis Opportunity Fund	13.25%	21.86%	32.82%	22.21%	-14.12%	24.92%	12.78%	25.06%	-23.66%	23.09%
VITPX Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares	11.99%	17.17%	25.43%	26.01%	-19.48%	25.76%	20.95%	30.87%	-5.59%	20.51%

Correlation

The correlation between RPEAX and VITPX is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Jun 1, 2001	0.90

The correlation between RPEAX and VITPX has been stable across timeframes, ranging from 0.81 to 0.90 - a consistent structural relationship.

Return for Risk

RPEAX vs. VITPX — Risk / Return Rank

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

RPEAX

RPEAX Risk / Return Rank: 69
RPEAX Sharpe Ratio Rank: 77
RPEAX Sortino Ratio Rank: 68
RPEAX Omega Ratio Rank: 67
RPEAX Calmar Ratio Rank: 72
RPEAX Martin Ratio Rank: 61

VITPX

VITPX Risk / Return Rank: 72
VITPX Sharpe Ratio Rank: 73
VITPX Sortino Ratio Rank: 65
VITPX Omega Ratio Rank: 64
VITPX Calmar Ratio Rank: 74
VITPX Martin Ratio Rank: 82

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.

RPEAX vs. VITPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Davis Opportunity Fund (RPEAX) and Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares (VITPX). 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.

	RPEAX	VITPX	Difference
Sharpe ratio: Return per unit of total volatility	2.56	2.47	+0.09
Sortino ratio: Return per unit of downside risk	3.44	3.37	+0.07
Omega ratio: Gain probability vs. loss probability	1.46	1.44	+0.01
Calmar ratio: Return relative to maximum drawdown	3.31	3.38	-0.07
Martin ratio: Return relative to average drawdown	12.03	15.60	-3.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RPEAX vs. VITPX - Sharpe Ratio Comparison

The current RPEAX Sharpe Ratio is 2.56, which is comparable to the VITPX Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of RPEAX and VITPX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RPEAX	VITPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.56	2.47	+0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.56	0.78	-0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.83	-0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	0.51	+0.06

Drawdowns

RPEAX vs. VITPX - Drawdown Comparison

The maximum RPEAX drawdown since its inception was -59.71%, which is greater than VITPX's maximum drawdown of -55.28%. Use the drawdown chart below to compare losses from any high point for RPEAX and VITPX.

Drawdown Indicators

	RPEAX	VITPX	Difference
Max Drawdown Largest peak-to-trough decline	-59.71%	-55.28%	-4.43%
Max Drawdown (1Y) Largest decline over 1 year	-10.15%	-8.92%	-1.23%
Max Drawdown (3Y) Largest decline over 3 years	-25.44%	-19.35%	-6.09%
Max Drawdown (5Y) Largest decline over 5 years	-26.03%	-25.31%	-0.72%
Max Drawdown (10Y) Largest decline over 10 years	-39.78%	-34.99%	-4.79%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-10.48%	-8.02%	-2.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.78%	1.93%	+0.85%

Volatility

RPEAX vs. VITPX - Volatility Comparison

Davis Opportunity Fund (RPEAX) has a higher volatility of 3.13% compared to Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares (VITPX) at 2.94%. This indicates that RPEAX's price experiences larger fluctuations and is considered to be riskier than VITPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RPEAX	VITPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.13%	2.94%	+0.19%
Volatility (6M) Calculated over the trailing 6-month period	9.62%	9.19%	+0.43%
Volatility (1Y) Calculated over the trailing 1-year period	13.11%	12.19%	+0.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.53%	17.35%	+7.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.75%	18.41%	+3.34%

RPEAX vs. VITPX - Expense Ratio Comparison

RPEAX has a 0.93% expense ratio, which is higher than VITPX's 0.02% expense ratio.

Dividends

RPEAX vs. VITPX - Dividend Comparison

RPEAX's dividend yield for the trailing twelve months is around 12.28%, more than VITPX's 2.24% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RPEAX Davis Opportunity Fund	12.28%	13.91%	33.00%	6.17%	8.47%	9.23%	2.88%	4.86%	0.64%	2.70%	2.44%	21.42%
VITPX Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares	2.24%	2.64%	4.14%	2.41%	6.48%	5.38%	11.57%	2.91%	3.93%	1.90%	2.80%	2.30%

Frequently Asked Questions

Can I hold both RPEAX and VITPX in my portfolio?

RPEAX and VITPX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RPEAX or VITPX?

RPEAX has higher volatility (3.13%) compared to VITPX (2.94%). In terms of maximum drawdown, RPEAX dropped -59.71% vs VITPX's -55.28%.

Which has better risk-adjusted returns?

RPEAX currently has the higher Sharpe Ratio (2.56 vs 2.47), 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.