SIOAX vs. WMKTX

Last updated Jun 24, 2026

SIOAX (SEI Institutional Managed Trust Multi-Asset Income Fund) and WMKTX (WesMark Tactical Opportunity Fund) are both Tactical Allocation funds. Over the past 5 years, SIOAX returned 3.62%/yr vs 5.19%/yr for WMKTX. A 0.66 correlation means they provide meaningful diversification when combined. SIOAX charges 0.80%/yr vs 1.43%/yr for WMKTX.

Performance

SIOAX vs. WMKTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional Managed Trust Multi-Asset Income Fund (SIOAX) and WesMark Tactical Opportunity Fund (WMKTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SIOAX achieves a 2.59% return, which is significantly lower than WMKTX's 6.03% return.

SIOAX

• 1D: -0.10%
• 1M: -0.03%
• YTD: 2.59%
• 6M: 2.68%
• 1Y: 7.67%
• 3Y*: 8.99%
• 5Y*: 3.62%
• 10Y*: 5.01%

WMKTX

• 1D: -0.29%
• 1M: -0.00%
• YTD: 6.03%
• 6M: 5.04%
• 1Y: 16.74%
• 3Y*: 11.23%
• 5Y*: 5.19%
• 10Y*: —

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

SIOAX vs. WMKTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SIOAX SEI Institutional Managed Trust Multi-Asset Income Fund	2.59%	10.08%	7.25%	11.09%	-13.13%	4.50%	5.33%	14.33%	-2.11%	4.61%
WMKTX WesMark Tactical Opportunity Fund	6.03%	15.41%	7.19%	7.10%	-12.40%	13.90%	7.01%	16.62%	-5.20%	8.33%

Correlation

The correlation between SIOAX and WMKTX is 0.72, 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	0.72
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (All Time) Calculated using the full available price history since Mar 1, 2017	0.66

The correlation between SIOAX and WMKTX has been stable across timeframes, ranging from 0.66 to 0.72 - a consistent structural relationship.

Return for Risk

SIOAX vs. WMKTX — Risk / Return Rank

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

SIOAX

SIOAX Risk / Return Rank: 87
SIOAX Sharpe Ratio Rank: 93
SIOAX Sortino Ratio Rank: 94
SIOAX Omega Ratio Rank: 90
SIOAX Calmar Ratio Rank: 78
SIOAX Martin Ratio Rank: 80

WMKTX

WMKTX Risk / Return Rank: 55
WMKTX Sharpe Ratio Rank: 49
WMKTX Sortino Ratio Rank: 47
WMKTX Omega Ratio Rank: 48
WMKTX Calmar Ratio Rank: 65
WMKTX Martin Ratio Rank: 65

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.

SIOAX vs. WMKTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Managed Trust Multi-Asset Income Fund (SIOAX) and WesMark Tactical Opportunity Fund (WMKTX). 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.

	SIOAX	WMKTX	Difference
Sharpe ratio: Return per unit of total volatility	2.92	1.91	+1.01
Sortino ratio: Return per unit of downside risk	4.55	2.66	+1.88
Omega ratio: Gain probability vs. loss probability	1.61	1.35	+0.27
Calmar ratio: Return relative to maximum drawdown	3.33	2.96	+0.38
Martin ratio: Return relative to average drawdown	13.98	11.83	+2.15

SIOAX vs. WMKTX - Sharpe Ratio Comparison

The current SIOAX Sharpe Ratio is 2.92, which is higher than the WMKTX Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of SIOAX and WMKTX, 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

SIOAX vs. WMKTX - Drawdown Comparison

The maximum SIOAX drawdown since its inception was -22.10%, smaller than the maximum WMKTX drawdown of -28.48%. Use the drawdown chart below to compare losses from any high point for SIOAX and WMKTX.

Drawdown Indicators

	SIOAX	WMKTX	Difference
Max Drawdown Largest peak-to-trough decline	-22.10%	-28.48%	+6.38%
Max Drawdown (1Y) Largest decline over 1 year	-2.34%	-5.79%	+3.45%
Max Drawdown (3Y) Largest decline over 3 years	-4.24%	-10.25%	+6.01%
Max Drawdown (5Y) Largest decline over 5 years	-17.57%	-25.49%	+7.92%
Max Drawdown (10Y) Largest decline over 10 years	-22.10%	—	—
Current Drawdown Current decline from peak	-0.67%	-1.17%	+0.50%
Average Drawdown Average peak-to-trough decline	-2.32%	-7.00%	+4.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.56%	1.44%	-0.88%

Volatility

SIOAX vs. WMKTX - Volatility Comparison

The current volatility for SEI Institutional Managed Trust Multi-Asset Income Fund (SIOAX) is 0.88%, while WesMark Tactical Opportunity Fund (WMKTX) has a volatility of 3.27%. This indicates that SIOAX experiences smaller price fluctuations and is considered to be less risky than WMKTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SIOAX	WMKTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.88%	3.27%	-2.39%
Volatility (6M) Calculated over the trailing 6-month period	2.16%	7.18%	-5.02%
Volatility (1Y) Calculated over the trailing 1-year period	2.68%	8.97%	-6.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.59%	12.42%	-7.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.08%	13.20%	-8.12%

SIOAX vs. WMKTX - Expense Ratio Comparison

SIOAX has a 0.80% expense ratio, which is lower than WMKTX's 1.43% expense ratio.

Dividends

SIOAX vs. WMKTX - Dividend Comparison

SIOAX's dividend yield for the trailing twelve months is around 5.52%, more than WMKTX's 3.83% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SIOAX SEI Institutional Managed Trust Multi-Asset Income Fund	5.52%	5.37%	6.08%	6.49%	6.11%	3.87%	3.05%	4.43%	3.29%	4.31%	4.27%	6.30%
WMKTX WesMark Tactical Opportunity Fund	3.83%	4.91%	1.42%	0.83%	2.79%	11.76%	0.74%	3.72%	0.57%	2.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SIOAX and WMKTX in my portfolio?

SIOAX and WMKTX have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SIOAX or WMKTX?

WMKTX has higher volatility (3.27%) compared to SIOAX (0.88%). In terms of maximum drawdown, SIOAX dropped -22.10% vs WMKTX's -28.48%.

Which has better risk-adjusted returns?

SIOAX currently has the higher Sharpe Ratio (2.92 vs 1.91), 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.