PKSFX vs. VITSX

Last updated Jun 24, 2026

PKSFX (Virtus KAR Small-Cap Core Fund) and VITSX (Vanguard Total Stock Market Index Fund Institutional Shares) are both mutual funds - PKSFX is a Mid Cap Growth Equities fund managed by Virtus, while VITSX is a Large Cap Blend Equities fund tracking the CRSP US Total Market Index. Over the past 10 years, PKSFX returned 15.33%/yr vs 15.30%/yr for VITSX. Their correlation of 0.84 suggests significant overlap in exposure. PKSFX charges 1.00%/yr vs 0.03%/yr for VITSX.

Performance

PKSFX vs. VITSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus KAR Small-Cap Core Fund (PKSFX) and Vanguard Total Stock Market Index Fund Institutional Shares (VITSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PKSFX achieves a 6.08% return, which is significantly lower than VITSX's 10.34% return. Both investments have delivered pretty close results over the past 10 years, with PKSFX having a 15.33% annualized return and VITSX not far behind at 15.30%.

PKSFX

• 1D: -0.29%
• 1M: 3.06%
• YTD: 6.08%
• 6M: 4.14%
• 1Y: 6.87%
• 3Y*: 11.38%
• 5Y*: 8.58%
• 10Y*: 15.33%

VITSX

• 1D: -0.34%
• 1M: 0.55%
• YTD: 10.34%
• 6M: 9.19%
• 1Y: 25.94%
• 3Y*: 21.18%
• 5Y*: 12.37%
• 10Y*: 15.30%

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

PKSFX vs. VITSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PKSFX Virtus KAR Small-Cap Core Fund	6.08%	-2.58%	13.67%	32.32%	-10.77%	19.03%	21.38%	40.21%	-1.99%	34.98%
VITSX Vanguard Total Stock Market Index Fund Institutional Shares	10.34%	17.14%	23.25%	26.51%	-19.51%	25.74%	20.99%	30.80%	-5.18%	21.16%

Correlation

The correlation between PKSFX and VITSX is 0.61, 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	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.82
Correlation (All Time) Calculated using the full available price history since Jul 7, 1997	0.84

Over the past year, the correlation between PKSFX and VITSX has dropped to 0.61 - well below their long-term average of 0.84, suggesting their price drivers have been diverging.

Return for Risk

PKSFX vs. VITSX — Risk / Return Rank

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

PKSFX

PKSFX Risk / Return Rank: 8
PKSFX Sharpe Ratio Rank: 8
PKSFX Sortino Ratio Rank: 8
PKSFX Omega Ratio Rank: 7
PKSFX Calmar Ratio Rank: 9
PKSFX Martin Ratio Rank: 7

VITSX

VITSX Risk / Return Rank: 65
VITSX Sharpe Ratio Rank: 62
VITSX Sortino Ratio Rank: 56
VITSX Omega Ratio Rank: 57
VITSX Calmar Ratio Rank: 69
VITSX Martin Ratio Rank: 79

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.

PKSFX vs. VITSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus KAR Small-Cap Core Fund (PKSFX) and Vanguard Total Stock Market Index Fund Institutional Shares (VITSX). 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.

	PKSFX	VITSX	Difference
Sharpe ratio: Return per unit of total volatility	0.58	2.13	-1.55
Sortino ratio: Return per unit of downside risk	0.98	2.89	-1.90
Omega ratio: Gain probability vs. loss probability	1.11	1.38	-0.28
Calmar ratio: Return relative to maximum drawdown	0.80	3.05	-2.25
Martin ratio: Return relative to average drawdown	1.62	13.68	-12.06

PKSFX vs. VITSX - Sharpe Ratio Comparison

The current PKSFX Sharpe Ratio is 0.58, which is lower than the VITSX Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of PKSFX and VITSX, 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

PKSFX vs. VITSX - Drawdown Comparison

The maximum PKSFX drawdown since its inception was -54.46%, roughly equal to the maximum VITSX drawdown of -55.30%. Use the drawdown chart below to compare losses from any high point for PKSFX and VITSX.

Drawdown Indicators

	PKSFX	VITSX	Difference
Max Drawdown Largest peak-to-trough decline	-54.46%	-55.30%	+0.84%
Max Drawdown (1Y) Largest decline over 1 year	-11.19%	-8.92%	-2.27%
Max Drawdown (3Y) Largest decline over 3 years	-21.82%	-19.36%	-2.46%
Max Drawdown (5Y) Largest decline over 5 years	-22.02%	-25.36%	+3.34%
Max Drawdown (10Y) Largest decline over 10 years	-33.45%	-34.97%	+1.52%
Current Drawdown Current decline from peak	-5.36%	-1.47%	-3.89%
Average Drawdown Average peak-to-trough decline	-7.17%	-10.05%	+2.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.54%	1.99%	+3.55%

Volatility

PKSFX vs. VITSX - Volatility Comparison

The current volatility for Virtus KAR Small-Cap Core Fund (PKSFX) is 4.11%, while Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) has a volatility of 4.77%. This indicates that PKSFX experiences smaller price fluctuations and is considered to be less risky than VITSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PKSFX	VITSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.11%	4.77%	-0.66%
Volatility (6M) Calculated over the trailing 6-month period	11.31%	10.05%	+1.26%
Volatility (1Y) Calculated over the trailing 1-year period	15.61%	12.83%	+2.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.96%	17.45%	+0.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.84%	18.46%	+0.38%

PKSFX vs. VITSX - Expense Ratio Comparison

PKSFX has a 1.00% expense ratio, which is higher than VITSX's 0.03% expense ratio.

Dividends

PKSFX vs. VITSX - Dividend Comparison

PKSFX's dividend yield for the trailing twelve months is around 13.48%, more than VITSX's 1.02% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PKSFX Virtus KAR Small-Cap Core Fund	13.48%	14.30%	4.07%	4.12%	6.65%	12.05%	7.45%	4.03%	4.33%	0.17%	5.69%	19.83%
VITSX Vanguard Total Stock Market Index Fund Institutional Shares	1.02%	1.12%	1.27%	1.43%	1.66%	1.21%	1.42%	1.77%	2.04%	1.71%	1.93%	1.99%

Frequently Asked Questions

Can I hold both PKSFX and VITSX in my portfolio?

PKSFX and VITSX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PKSFX or VITSX?

VITSX has higher volatility (4.77%) compared to PKSFX (4.11%). In terms of maximum drawdown, PKSFX dropped -54.46% vs VITSX's -55.30%.

Which has better risk-adjusted returns?

VITSX currently has the higher Sharpe Ratio (2.13 vs 0.58), 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.