WFIOX vs. MUHLX

Last updated Jun 5, 2026

WFIOX (Allspring Index Fund) and MUHLX (Muhlenkamp Fund) are both Large Cap Blend Equities funds. Over the past 10 years, WFIOX returned 15.33%/yr vs 10.74%/yr for MUHLX. Their correlation of 0.82 suggests significant overlap in exposure. WFIOX charges 0.25%/yr vs 1.14%/yr for MUHLX.

Performance

WFIOX vs. MUHLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allspring Index Fund (WFIOX) and Muhlenkamp Fund (MUHLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with WFIOX having a 10.77% return and MUHLX slightly higher at 11.04%. Over the past 10 years, WFIOX has outperformed MUHLX with an annualized return of 15.33%, while MUHLX has yielded a comparatively lower 10.74% annualized return.

WFIOX

• 1D: -0.73%
• 1M: 4.16%
• YTD: 10.77%
• 6M: 10.65%
• 1Y: 27.70%
• 3Y*: 22.14%
• 5Y*: 13.63%
• 10Y*: 15.33%

MUHLX

• 1D: -0.44%
• 1M: -1.78%
• YTD: 11.04%
• 6M: 11.42%
• 1Y: 23.51%
• 3Y*: 13.75%
• 5Y*: 10.43%
• 10Y*: 10.74%

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

WFIOX vs. MUHLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WFIOX Allspring Index Fund	10.77%	17.57%	24.66%	26.01%	-18.30%	28.34%	17.74%	31.55%	-4.49%	21.59%
MUHLX Muhlenkamp Fund	11.04%	17.82%	3.38%	13.92%	2.89%	28.98%	11.96%	14.39%	-13.29%	18.78%

Correlation

The correlation between WFIOX and MUHLX 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	0.69
Correlation (5Y) Calculated over the trailing 5-year period	0.73
Correlation (10Y) Calculated over the trailing 10-year period	0.78
Correlation (All Time) Calculated using the full available price history since Nov 2, 1988	0.82

Over the past year, the correlation between WFIOX and MUHLX has dropped to 0.61 - well below their long-term average of 0.82, suggesting their price drivers have been diverging.

Return for Risk

WFIOX vs. MUHLX — Risk / Return Rank

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

WFIOX

WFIOX Risk / Return Rank: 66
WFIOX Sharpe Ratio Rank: 65
WFIOX Sortino Ratio Rank: 59
WFIOX Omega Ratio Rank: 60
WFIOX Calmar Ratio Rank: 67
WFIOX Martin Ratio Rank: 79

MUHLX

MUHLX Risk / Return Rank: 35
MUHLX Sharpe Ratio Rank: 34
MUHLX Sortino Ratio Rank: 31
MUHLX Omega Ratio Rank: 31
MUHLX Calmar Ratio Rank: 38
MUHLX Martin Ratio Rank: 41

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.

WFIOX vs. MUHLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allspring Index Fund (WFIOX) and Muhlenkamp Fund (MUHLX). 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.

	WFIOX	MUHLX	Difference
Sharpe ratio: Return per unit of total volatility	2.35	1.67	+0.68
Sortino ratio: Return per unit of downside risk	3.21	2.29	+0.92
Omega ratio: Gain probability vs. loss probability	1.43	1.29	+0.13
Calmar ratio: Return relative to maximum drawdown	3.12	2.28	+0.84
Martin ratio: Return relative to average drawdown	14.55	8.59	+5.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WFIOX vs. MUHLX - Sharpe Ratio Comparison

The current WFIOX Sharpe Ratio is 2.35, which is higher than the MUHLX Sharpe Ratio of 1.67. The chart below compares the historical Sharpe Ratios of WFIOX and MUHLX, 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

	WFIOX	MUHLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.35	1.67	+0.68
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.81	0.72	+0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.85	0.63	+0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.52	-0.01

Drawdowns

WFIOX vs. MUHLX - Drawdown Comparison

The maximum WFIOX drawdown since its inception was -54.40%, smaller than the maximum MUHLX drawdown of -62.05%. Use the drawdown chart below to compare losses from any high point for WFIOX and MUHLX.

Drawdown Indicators

	WFIOX	MUHLX	Difference
Max Drawdown Largest peak-to-trough decline	-54.40%	-62.05%	+7.65%
Max Drawdown (1Y) Largest decline over 1 year	-8.93%	-10.23%	+1.30%
Max Drawdown (3Y) Largest decline over 3 years	-18.78%	-18.63%	-0.15%
Max Drawdown (5Y) Largest decline over 5 years	-24.63%	-18.63%	-6.00%
Max Drawdown (10Y) Largest decline over 10 years	-33.94%	-40.85%	+6.91%
Current Drawdown Current decline from peak	-0.73%	-3.98%	+3.25%
Average Drawdown Average peak-to-trough decline	-9.67%	-10.77%	+1.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.91%	2.71%	-0.80%

Volatility

WFIOX vs. MUHLX - Volatility Comparison

The current volatility for Allspring Index Fund (WFIOX) is 2.92%, while Muhlenkamp Fund (MUHLX) has a volatility of 3.13%. This indicates that WFIOX experiences smaller price fluctuations and is considered to be less risky than MUHLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WFIOX	MUHLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.92%	3.13%	-0.21%
Volatility (6M) Calculated over the trailing 6-month period	8.98%	10.95%	-1.97%
Volatility (1Y) Calculated over the trailing 1-year period	11.88%	13.97%	-2.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.91%	14.62%	+2.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.14%	17.04%	+1.10%

WFIOX vs. MUHLX - Expense Ratio Comparison

WFIOX has a 0.25% expense ratio, which is lower than MUHLX's 1.14% expense ratio.

Dividends

WFIOX vs. MUHLX - Dividend Comparison

WFIOX's dividend yield for the trailing twelve months is around 6.36%, more than MUHLX's 3.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MUHLX Muhlenkamp Fund	3.00%	3.34%	0.58%	0.89%	6.80%	7.77%	10.28%	1.26%	14.70%	4.30%	0.00%	11.02%
WFIOX Allspring Index Fund	6.36%	7.04%	8.54%	7.63%	10.41%	9.15%	14.40%	33.14%	33.69%	20.04%	10.07%	8.62%

Frequently Asked Questions

Can I hold both WFIOX and MUHLX in my portfolio?

WFIOX and MUHLX 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, WFIOX or MUHLX?

MUHLX has higher volatility (3.13%) compared to WFIOX (2.92%). In terms of maximum drawdown, WFIOX dropped -54.40% vs MUHLX's -62.05%.

Which has better risk-adjusted returns?

WFIOX currently has the higher Sharpe Ratio (2.35 vs 1.67), 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.