VITPX vs. PDIAX

Last updated Jun 25, 2026

VITPX (Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares) and PDIAX (Virtus KAR Equity Income Fund) are both Large Cap Blend Equities funds. Over the past 10 years, VITPX returned 15.20%/yr vs 10.94%/yr for PDIAX. Their correlation of 0.92 suggests significant overlap in exposure. VITPX charges 0.02%/yr vs 1.20%/yr for PDIAX.

Performance

VITPX vs. PDIAX - Performance Comparison

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

Returns By Period

In the year-to-date period, VITPX achieves a 8.85% return, which is significantly lower than PDIAX's 12.73% return. Over the past 10 years, VITPX has outperformed PDIAX with an annualized return of 15.20%, while PDIAX has yielded a comparatively lower 10.94% annualized return.

VITPX

• 1D: -1.35%
• 1M: -0.80%
• YTD: 8.85%
• 6M: 7.39%
• 1Y: 22.86%
• 3Y*: 21.19%
• 5Y*: 12.24%
• 10Y*: 15.20%

PDIAX

• 1D: -0.41%
• 1M: 2.13%
• YTD: 12.73%
• 6M: 11.54%
• 1Y: 19.13%
• 3Y*: 13.67%
• 5Y*: 7.81%
• 10Y*: 10.94%

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

VITPX vs. PDIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VITPX Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares	8.85%	17.17%	25.43%	26.01%	-19.48%	25.76%	20.95%	30.87%	-5.59%	20.51%
PDIAX Virtus KAR Equity Income Fund	12.73%	13.45%	9.10%	1.08%	-2.58%	17.04%	14.51%	28.11%	-12.69%	22.45%

Correlation

The correlation between VITPX and PDIAX is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.74
Correlation (10Y) Calculated over the trailing 10-year period	0.82
Correlation (All Time) Calculated using the full available price history since May 31, 2001	0.92

Over the past year, the correlation between VITPX and PDIAX has dropped to 0.71 - well below their long-term average of 0.92, suggesting their price drivers have been diverging.

Return for Risk

VITPX vs. PDIAX — Risk / Return Rank

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

VITPX

VITPX Risk / Return Rank: 53
VITPX Sharpe Ratio Rank: 50
VITPX Sortino Ratio Rank: 46
VITPX Omega Ratio Rank: 47
VITPX Calmar Ratio Rank: 57
VITPX Martin Ratio Rank: 68

PDIAX

PDIAX Risk / Return Rank: 70
PDIAX Sharpe Ratio Rank: 65
PDIAX Sortino Ratio Rank: 69
PDIAX Omega Ratio Rank: 60
PDIAX Calmar Ratio Rank: 76
PDIAX Martin Ratio Rank: 80

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.

VITPX vs. PDIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares (VITPX) and Virtus KAR Equity Income Fund (PDIAX). 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.

	VITPX	PDIAX	Difference
Sharpe ratio: Return per unit of total volatility	1.90	2.10	-0.20
Sortino ratio: Return per unit of downside risk	2.59	3.08	-0.49
Omega ratio: Gain probability vs. loss probability	1.34	1.38	-0.04
Calmar ratio: Return relative to maximum drawdown	2.73	3.20	-0.46
Martin ratio: Return relative to average drawdown	12.19	13.60	-1.40

VITPX vs. PDIAX - Sharpe Ratio Comparison

The current VITPX Sharpe Ratio is 1.90, which is comparable to the PDIAX Sharpe Ratio of 2.10. The chart below compares the historical Sharpe Ratios of VITPX and PDIAX, 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

VITPX vs. PDIAX - Drawdown Comparison

The maximum VITPX drawdown since its inception was -55.28%, roughly equal to the maximum PDIAX drawdown of -53.27%. Use the drawdown chart below to compare losses from any high point for VITPX and PDIAX.

Drawdown Indicators

	VITPX	PDIAX	Difference
Max Drawdown Largest peak-to-trough decline	-55.28%	-53.27%	-2.01%
Max Drawdown (1Y) Largest decline over 1 year	-8.92%	-6.22%	-2.70%
Max Drawdown (3Y) Largest decline over 3 years	-19.35%	-12.04%	-7.31%
Max Drawdown (5Y) Largest decline over 5 years	-25.31%	-16.21%	-9.10%
Max Drawdown (10Y) Largest decline over 10 years	-34.99%	-35.26%	+0.27%
Current Drawdown Current decline from peak	-2.80%	-0.41%	-2.39%
Average Drawdown Average peak-to-trough decline	-8.01%	-8.36%	+0.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.00%	1.46%	+0.54%

Volatility

VITPX vs. PDIAX - Volatility Comparison

Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares (VITPX) has a higher volatility of 4.97% compared to Virtus KAR Equity Income Fund (PDIAX) at 3.06%. This indicates that VITPX's price experiences larger fluctuations and is considered to be riskier than PDIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VITPX	PDIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.97%	3.06%	+1.91%
Volatility (6M) Calculated over the trailing 6-month period	10.12%	7.46%	+2.66%
Volatility (1Y) Calculated over the trailing 1-year period	12.89%	9.50%	+3.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.46%	12.97%	+4.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.43%	16.86%	+1.57%

VITPX vs. PDIAX - Expense Ratio Comparison

VITPX has a 0.02% expense ratio, which is lower than PDIAX's 1.20% expense ratio.

Dividends

VITPX vs. PDIAX - Dividend Comparison

VITPX's dividend yield for the trailing twelve months is around 2.30%, less than PDIAX's 6.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PDIAX Virtus KAR Equity Income Fund	6.61%	6.52%	2.88%	2.71%	5.83%	4.16%	35.18%	0.95%	1.20%	15.53%	3.60%	19.74%
VITPX Vanguard Institutional Total Stock Market Index Fund Institutional Plus Shares	2.30%	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 VITPX and PDIAX in my portfolio?

VITPX and PDIAX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VITPX or PDIAX?

VITPX has higher volatility (4.97%) compared to PDIAX (3.06%). In terms of maximum drawdown, VITPX dropped -55.28% vs PDIAX's -53.27%.

Which has better risk-adjusted returns?

PDIAX currently has the higher Sharpe Ratio (2.10 vs 1.90), 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.