WWSIX vs. VSCIX

Last updated Jun 24, 2026

WWSIX (Keeley Small Cap Fund Class Institutional) and VSCIX (Vanguard Small-Cap Index Fund Institutional Shares) are both Small Cap Blend Equities funds. Over the past 10 years, WWSIX returned 15.57%/yr vs 11.79%/yr for VSCIX. With a 0.95 correlation, they move nearly in lockstep. WWSIX charges 1.00%/yr vs 0.04%/yr for VSCIX.

Performance

WWSIX vs. VSCIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Keeley Small Cap Fund Class Institutional (WWSIX) and Vanguard Small-Cap Index Fund Institutional Shares (VSCIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WWSIX achieves a 32.94% return, which is significantly higher than VSCIX's 15.72% return. Over the past 10 years, WWSIX has outperformed VSCIX with an annualized return of 15.57%, while VSCIX has yielded a comparatively lower 11.79% annualized return.

WWSIX

• 1D: 0.27%
• 1M: 6.42%
• YTD: 32.94%
• 6M: 30.43%
• 1Y: 66.90%
• 3Y*: 26.23%
• 5Y*: 13.25%
• 10Y*: 15.57%

VSCIX

• 1D: 0.25%
• 1M: 2.87%
• YTD: 15.72%
• 6M: 13.57%
• 1Y: 29.06%
• 3Y*: 17.54%
• 5Y*: 7.38%
• 10Y*: 11.79%

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

WWSIX vs. VSCIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WWSIX Keeley Small Cap Fund Class Institutional	32.94%	17.55%	15.79%	12.87%	-12.30%	30.04%	11.27%	28.74%	-13.49%	16.07%
VSCIX Vanguard Small-Cap Index Fund Institutional Shares	15.72%	8.85%	12.96%	19.52%	-17.60%	17.74%	19.07%	27.40%	-9.33%	16.25%

Correlation

The correlation between WWSIX and VSCIX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Jan 11, 2008	0.95

The correlation between WWSIX and VSCIX has been stable across timeframes, ranging from 0.89 to 0.95 - a consistent structural relationship.

Return for Risk

WWSIX vs. VSCIX — Risk / Return Rank

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

WWSIX

WWSIX Risk / Return Rank: 94
WWSIX Sharpe Ratio Rank: 97
WWSIX Sortino Ratio Rank: 92
WWSIX Omega Ratio Rank: 86
WWSIX Calmar Ratio Rank: 97
WWSIX Martin Ratio Rank: 97

VSCIX

VSCIX Risk / Return Rank: 56
VSCIX Sharpe Ratio Rank: 45
VSCIX Sortino Ratio Rank: 45
VSCIX Omega Ratio Rank: 40
VSCIX Calmar Ratio Rank: 79
VSCIX Martin Ratio Rank: 69

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.

WWSIX vs. VSCIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Keeley Small Cap Fund Class Institutional (WWSIX) and Vanguard Small-Cap Index Fund Institutional Shares (VSCIX). 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.

	WWSIX	VSCIX	Difference
Sharpe ratio: Return per unit of total volatility	3.29	1.82	+1.47
Sortino ratio: Return per unit of downside risk	4.27	2.59	+1.68
Omega ratio: Gain probability vs. loss probability	1.56	1.31	+0.24
Calmar ratio: Return relative to maximum drawdown	6.83	3.38	+3.44
Martin ratio: Return relative to average drawdown	25.00	12.45	+12.55

WWSIX vs. VSCIX - Sharpe Ratio Comparison

The current WWSIX Sharpe Ratio is 3.29, which is higher than the VSCIX Sharpe Ratio of 1.82. The chart below compares the historical Sharpe Ratios of WWSIX and VSCIX, 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

WWSIX vs. VSCIX - Drawdown Comparison

The maximum WWSIX drawdown since its inception was -59.71%, roughly equal to the maximum VSCIX drawdown of -59.66%. Use the drawdown chart below to compare losses from any high point for WWSIX and VSCIX.

Drawdown Indicators

	WWSIX	VSCIX	Difference
Max Drawdown Largest peak-to-trough decline	-59.71%	-59.66%	-0.05%
Max Drawdown (1Y) Largest decline over 1 year	-10.17%	-8.97%	-1.20%
Max Drawdown (3Y) Largest decline over 3 years	-26.17%	-25.25%	-0.92%
Max Drawdown (5Y) Largest decline over 5 years	-26.17%	-28.13%	+1.96%
Max Drawdown (10Y) Largest decline over 10 years	-45.11%	-41.81%	-3.30%
Current Drawdown Current decline from peak	0.00%	-0.33%	+0.33%
Average Drawdown Average peak-to-trough decline	-8.94%	-10.11%	+1.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.77%	2.43%	+0.34%

Volatility

WWSIX vs. VSCIX - Volatility Comparison

Keeley Small Cap Fund Class Institutional (WWSIX) has a higher volatility of 6.33% compared to Vanguard Small-Cap Index Fund Institutional Shares (VSCIX) at 4.97%. This indicates that WWSIX's price experiences larger fluctuations and is considered to be riskier than VSCIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WWSIX	VSCIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.33%	4.97%	+1.36%
Volatility (6M) Calculated over the trailing 6-month period	14.50%	12.22%	+2.28%
Volatility (1Y) Calculated over the trailing 1-year period	21.13%	16.68%	+4.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.71%	20.76%	+0.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.76%	21.60%	+2.16%

WWSIX vs. VSCIX - Expense Ratio Comparison

WWSIX has a 1.00% expense ratio, which is higher than VSCIX's 0.04% expense ratio.

Dividends

WWSIX vs. VSCIX - Dividend Comparison

WWSIX's dividend yield for the trailing twelve months is around 5.81%, more than VSCIX's 1.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VSCIX Vanguard Small-Cap Index Fund Institutional Shares	1.18%	1.34%	1.31%	1.55%	1.55%	1.25%	1.15%	1.40%	1.68%	1.36%	1.50%	1.49%
WWSIX Keeley Small Cap Fund Class Institutional	5.81%	7.72%	28.12%	3.00%	1.85%	5.58%	0.20%	4.70%	14.34%	8.83%	9.05%	18.47%

Frequently Asked Questions

Can I hold both WWSIX and VSCIX in my portfolio?

WWSIX and VSCIX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WWSIX or VSCIX?

WWSIX has higher volatility (6.33%) compared to VSCIX (4.97%). In terms of maximum drawdown, WWSIX dropped -59.71% vs VSCIX's -59.66%.

Which has better risk-adjusted returns?

WWSIX currently has the higher Sharpe Ratio (3.29 vs 1.82), 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.