WIPIX vs. WMBIX

Last updated Jun 23, 2026

WIPIX (Allspring Core Plus Bond Fund Institutional Class) and WMBIX (Allspring Municipal Bond Fund Institutional Class) are both mutual funds - WIPIX is a Intermediate Core-Plus Bond fund actively managed by Allspring, while WMBIX is a Municipal Bonds fund tracking the Bloomberg Municipal Bond Index. WIPIX is actively managed, while WMBIX is passively managed. Over the past 10 years, WIPIX returned 2.80%/yr vs 2.27%/yr for WMBIX. At a 0.42 correlation, their price movements are largely independent. WIPIX charges 0.35%/yr vs 0.42%/yr for WMBIX.

Performance

WIPIX vs. WMBIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allspring Core Plus Bond Fund Institutional Class (WIPIX) and Allspring Municipal Bond Fund Institutional Class (WMBIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WIPIX achieves a 0.76% return, which is significantly lower than WMBIX's 1.85% return. Over the past 10 years, WIPIX has outperformed WMBIX with an annualized return of 2.80%, while WMBIX has yielded a comparatively lower 2.27% annualized return.

WIPIX

• 1D: 0.27%
• 1M: 0.90%
• YTD: 0.76%
• 6M: 0.94%
• 1Y: 5.20%
• 3Y*: 4.75%
• 5Y*: 0.39%
• 10Y*: 2.80%

WMBIX

• 1D: 0.10%
• 1M: 1.33%
• YTD: 1.85%
• 6M: 2.15%
• 1Y: 6.45%
• 3Y*: 3.49%
• 5Y*: 0.88%
• 10Y*: 2.27%

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

WIPIX vs. WMBIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WIPIX Allspring Core Plus Bond Fund Institutional Class	0.76%	7.37%	2.37%	6.79%	-14.02%	0.18%	11.63%	9.45%	-0.19%	5.67%
WMBIX Allspring Municipal Bond Fund Institutional Class	1.85%	3.08%	2.47%	5.56%	-8.63%	1.99%	4.21%	7.75%	2.13%	6.27%

Correlation

The correlation between WIPIX and WMBIX is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.47
Correlation (3Y) Calculated over the trailing 3-year period	0.56
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Jul 18, 2008	0.42

The correlation between WIPIX and WMBIX shifts across timeframes, from 0.42 (all time) to 0.56 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

WIPIX vs. WMBIX — Risk / Return Rank

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

WIPIX

WIPIX Risk / Return Rank: 27
WIPIX Sharpe Ratio Rank: 28
WIPIX Sortino Ratio Rank: 30
WIPIX Omega Ratio Rank: 27
WIPIX Calmar Ratio Rank: 28
WIPIX Martin Ratio Rank: 23

WMBIX

WMBIX Risk / Return Rank: 78
WMBIX Sharpe Ratio Rank: 91
WMBIX Sortino Ratio Rank: 94
WMBIX Omega Ratio Rank: 95
WMBIX Calmar Ratio Rank: 57
WMBIX Martin Ratio Rank: 55

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.

WIPIX vs. WMBIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allspring Core Plus Bond Fund Institutional Class (WIPIX) and Allspring Municipal Bond Fund Institutional Class (WMBIX). 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.

	WIPIX	WMBIX	Difference
Sharpe ratio: Return per unit of total volatility	1.42	2.79	-1.37
Sortino ratio: Return per unit of downside risk	2.12	4.53	-2.41
Omega ratio: Gain probability vs. loss probability	1.25	1.76	-0.50
Calmar ratio: Return relative to maximum drawdown	1.86	2.77	-0.91
Martin ratio: Return relative to average drawdown	5.26	10.35	-5.10

WIPIX vs. WMBIX - Sharpe Ratio Comparison

The current WIPIX Sharpe Ratio is 1.42, which is lower than the WMBIX Sharpe Ratio of 2.79. The chart below compares the historical Sharpe Ratios of WIPIX and WMBIX, 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

WIPIX vs. WMBIX - Drawdown Comparison

The maximum WIPIX drawdown since its inception was -18.61%, which is greater than WMBIX's maximum drawdown of -16.84%. Use the drawdown chart below to compare losses from any high point for WIPIX and WMBIX.

Drawdown Indicators

	WIPIX	WMBIX	Difference
Max Drawdown Largest peak-to-trough decline	-18.61%	-16.84%	-1.77%
Max Drawdown (1Y) Largest decline over 1 year	-2.86%	-2.34%	-0.52%
Max Drawdown (3Y) Largest decline over 3 years	-6.13%	-5.37%	-0.76%
Max Drawdown (5Y) Largest decline over 5 years	-18.61%	-13.06%	-5.55%
Max Drawdown (10Y) Largest decline over 10 years	-18.61%	-13.06%	-5.55%
Current Drawdown Current decline from peak	-1.18%	-0.06%	-1.12%
Average Drawdown Average peak-to-trough decline	-2.66%	-2.19%	-0.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.01%	0.62%	+0.39%

Volatility

WIPIX vs. WMBIX - Volatility Comparison

Allspring Core Plus Bond Fund Institutional Class (WIPIX) has a higher volatility of 1.22% compared to Allspring Municipal Bond Fund Institutional Class (WMBIX) at 0.62%. This indicates that WIPIX's price experiences larger fluctuations and is considered to be riskier than WMBIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WIPIX	WMBIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.22%	0.62%	+0.60%
Volatility (6M) Calculated over the trailing 6-month period	2.88%	1.80%	+1.08%
Volatility (1Y) Calculated over the trailing 1-year period	3.74%	2.32%	+1.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.65%	3.59%	+2.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.68%	3.68%	+1.00%

WIPIX vs. WMBIX - Expense Ratio Comparison

WIPIX has a 0.35% expense ratio, which is lower than WMBIX's 0.42% expense ratio.

Dividends

WIPIX vs. WMBIX - Dividend Comparison

WIPIX's dividend yield for the trailing twelve months is around 4.84%, more than WMBIX's 3.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
WIPIX Allspring Core Plus Bond Fund Institutional Class	4.84%	4.84%	4.89%	4.25%	2.79%	2.73%	5.48%	3.99%	3.03%	2.93%	3.10%	2.48%
WMBIX Allspring Municipal Bond Fund Institutional Class	3.40%	3.41%	3.36%	2.88%	2.54%	2.25%	2.58%	3.20%	3.36%	3.69%	4.01%	3.66%

Frequently Asked Questions

Can I hold both WIPIX and WMBIX in my portfolio?

WIPIX and WMBIX have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WIPIX or WMBIX?

WIPIX has higher volatility (1.22%) compared to WMBIX (0.62%). In terms of maximum drawdown, WIPIX dropped -18.61% vs WMBIX's -16.84%.

Which has better risk-adjusted returns?

WMBIX currently has the higher Sharpe Ratio (2.79 vs 1.42), 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.