ZSCCX vs. WWSIX

Last updated Jun 4, 2026

ZSCCX (Zacks Small-Cap Core Fund) and WWSIX (Keeley Small Cap Fund Class Institutional) are both Small Cap Blend Equities funds. Over the past 10 years, ZSCCX returned 12.69%/yr vs 14.69%/yr for WWSIX. Their correlation of 0.91 suggests significant overlap in exposure. ZSCCX charges 1.39%/yr vs 1.00%/yr for WWSIX.

Performance

ZSCCX vs. WWSIX - Performance Comparison

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

Returns By Period

In the year-to-date period, ZSCCX achieves a 18.54% return, which is significantly lower than WWSIX's 26.69% return. Over the past 10 years, ZSCCX has underperformed WWSIX with an annualized return of 12.69%, while WWSIX has yielded a comparatively higher 14.69% annualized return.

ZSCCX

• 1D: 1.32%
• 1M: 4.27%
• YTD: 18.54%
• 6M: 18.72%
• 1Y: 35.57%
• 3Y*: 23.66%
• 5Y*: 13.27%
• 10Y*: 12.69%

WWSIX

• 1D: 1.16%
• 1M: 4.17%
• YTD: 26.69%
• 6M: 27.09%
• 1Y: 60.23%
• 3Y*: 24.00%
• 5Y*: 11.84%
• 10Y*: 14.69%

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

ZSCCX vs. WWSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ZSCCX Zacks Small-Cap Core Fund	18.54%	10.25%	27.77%	17.94%	-11.84%	32.60%	-1.42%	21.20%	-12.29%	14.04%
WWSIX Keeley Small Cap Fund Class Institutional	26.69%	17.55%	15.79%	12.87%	-12.30%	30.04%	11.27%	28.74%	-13.49%	16.07%

Correlation

The correlation between ZSCCX and WWSIX is 0.86, 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	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Jul 19, 2011	0.91

The correlation between ZSCCX and WWSIX has been stable across timeframes, ranging from 0.86 to 0.92 - a consistent structural relationship.

Return for Risk

ZSCCX vs. WWSIX — Risk / Return Rank

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

ZSCCX

ZSCCX Risk / Return Rank: 57
ZSCCX Sharpe Ratio Rank: 46
ZSCCX Sortino Ratio Rank: 45
ZSCCX Omega Ratio Rank: 40
ZSCCX Calmar Ratio Rank: 87
ZSCCX Martin Ratio Rank: 66

WWSIX

WWSIX Risk / Return Rank: 89
WWSIX Sharpe Ratio Rank: 91
WWSIX Sortino Ratio Rank: 84
WWSIX Omega Ratio Rank: 79
WWSIX Calmar Ratio Rank: 96
WWSIX Martin Ratio Rank: 95

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.

ZSCCX vs. WWSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Zacks Small-Cap Core Fund (ZSCCX) and Keeley Small Cap Fund Class Institutional (WWSIX). 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.

	ZSCCX	WWSIX	Difference
Sharpe ratio: Return per unit of total volatility	1.99	3.10	-1.11
Sortino ratio: Return per unit of downside risk	2.85	4.05	-1.20
Omega ratio: Gain probability vs. loss probability	1.34	1.53	-0.19
Calmar ratio: Return relative to maximum drawdown	4.21	6.30	-2.09
Martin ratio: Return relative to average drawdown	12.89	22.98	-10.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZSCCX vs. WWSIX - Sharpe Ratio Comparison

The current ZSCCX Sharpe Ratio is 1.99, which is lower than the WWSIX Sharpe Ratio of 3.10. The chart below compares the historical Sharpe Ratios of ZSCCX and WWSIX, 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

	ZSCCX	WWSIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.99	3.10	-1.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.58	0.55	+0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.62	-0.09
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	0.44	+0.10

Drawdowns

ZSCCX vs. WWSIX - Drawdown Comparison

The maximum ZSCCX drawdown since its inception was -50.29%, smaller than the maximum WWSIX drawdown of -59.71%. Use the drawdown chart below to compare losses from any high point for ZSCCX and WWSIX.

Drawdown Indicators

	ZSCCX	WWSIX	Difference
Max Drawdown Largest peak-to-trough decline	-50.29%	-59.71%	+9.42%
Max Drawdown (1Y) Largest decline over 1 year	-8.85%	-10.17%	+1.32%
Max Drawdown (3Y) Largest decline over 3 years	-21.87%	-26.17%	+4.30%
Max Drawdown (5Y) Largest decline over 5 years	-23.91%	-26.17%	+2.26%
Max Drawdown (10Y) Largest decline over 10 years	-50.29%	-45.11%	-5.18%
Current Drawdown Current decline from peak	0.00%	-0.34%	+0.34%
Average Drawdown Average peak-to-trough decline	-7.11%	-8.96%	+1.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.89%	2.78%	+0.11%

Volatility

ZSCCX vs. WWSIX - Volatility Comparison

Zacks Small-Cap Core Fund (ZSCCX) and Keeley Small Cap Fund Class Institutional (WWSIX) have volatilities of 5.35% and 5.21%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZSCCX	WWSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.35%	5.21%	+0.14%
Volatility (6M) Calculated over the trailing 6-month period	13.53%	13.81%	-0.28%
Volatility (1Y) Calculated over the trailing 1-year period	18.75%	20.70%	-1.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.83%	21.65%	+1.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.17%	23.72%	+0.45%

ZSCCX vs. WWSIX - Expense Ratio Comparison

ZSCCX has a 1.39% expense ratio, which is higher than WWSIX's 1.00% expense ratio.

Dividends

ZSCCX vs. WWSIX - Dividend Comparison

ZSCCX has not paid dividends to shareholders, while WWSIX's dividend yield for the trailing twelve months is around 6.09%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
WWSIX Keeley Small Cap Fund Class Institutional	6.09%	7.72%	28.12%	3.00%	1.85%	5.58%	0.20%	4.70%	14.34%	8.83%	9.05%	18.47%
ZSCCX Zacks Small-Cap Core Fund	0.00%	0.00%	34.48%	4.49%	0.49%	2.30%	0.02%	0.10%	10.82%	13.57%	0.56%	0.00%

Frequently Asked Questions

Can I hold both ZSCCX and WWSIX in my portfolio?

ZSCCX and WWSIX 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, ZSCCX or WWSIX?

ZSCCX has higher volatility (5.35%) compared to WWSIX (5.21%). In terms of maximum drawdown, ZSCCX dropped -50.29% vs WWSIX's -59.71%.

Which has better risk-adjusted returns?

WWSIX currently has the higher Sharpe Ratio (3.10 vs 1.99), 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.