IEI vs. WFMIX
IEI (iShares 3-7 Year Treasury Bond ETF) and WFMIX (Allspring Special Mid Cap Value Fund Class I) are both funds - IEI is a Government Bonds fund tracking the ICE U.S. Treasury 3-7 Year Bond Index, while WFMIX is a Mid Cap Value Equities fund managed by Allspring Global Investments. Over the past 10 years, IEI returned 1.24%/yr vs 10.85%/yr for WFMIX. At a correlation of -0.26, they often move in opposite directions. IEI charges 0.15%/yr vs 0.80%/yr for WFMIX.
Performance
IEI vs. WFMIX - Performance Comparison
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Returns By Period
In the year-to-date period, IEI achieves a -0.30% return, which is significantly lower than WFMIX's 10.59% return. Over the past 10 years, IEI has underperformed WFMIX with an annualized return of 1.24%, while WFMIX has yielded a comparatively higher 10.85% annualized return.
IEI
- 1D
- -0.12%
- 1M
- -0.00%
- YTD
- -0.30%
- 6M
- -0.00%
- 1Y
- 2.97%
- 3Y*
- 3.77%
- 5Y*
- 0.21%
- 10Y*
- 1.24%
WFMIX
- 1D
- 1.45%
- 1M
- 3.68%
- YTD
- 10.59%
- 6M
- 9.07%
- 1Y
- 16.75%
- 3Y*
- 12.04%
- 5Y*
- 7.84%
- 10Y*
- 10.85%
IEI vs. WFMIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IEI iShares 3-7 Year Treasury Bond ETF | -0.30% | 6.96% | 1.81% | 4.42% | -9.51% | -2.54% | 6.95% | 5.71% | 1.36% | 1.22% |
WFMIX Allspring Special Mid Cap Value Fund Class I | 10.59% | 6.14% | 11.95% | 9.54% | -4.65% | 28.53% | 3.27% | 40.27% | -13.12% | 11.16% |
Correlation
The correlation between IEI and WFMIX is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.28 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.18 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.10 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.09 |
Correlation (All Time) Calculated using the full available price history since Jan 11, 2007 | -0.26 |
The correlation between IEI and WFMIX shifts across timeframes, from -0.26 (all time) to 0.28 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IEI vs. WFMIX — Risk / Return Rank
IEI
WFMIX
IEI vs. WFMIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares 3-7 Year Treasury Bond ETF (IEI) and Allspring Special Mid Cap Value Fund Class I (WFMIX). 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.
| IEI | WFMIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.23 | ||
| Sortino ratioReturn per unit of downside risk | -0.34 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.22 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.19 | 1.80 | -0.60 |
| Martin ratioReturn relative to average drawdown | 3.35 | 5.91 | -2.56 |
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Drawdowns
IEI vs. WFMIX - Drawdown Comparison
The maximum IEI drawdown since its inception was -14.60%, smaller than the maximum WFMIX drawdown of -52.70%. Use the drawdown chart below to compare losses from any high point for IEI and WFMIX.
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Drawdown Indicators
| IEI | WFMIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.60% | -52.70% | +38.10% |
Max Drawdown (1Y)Largest decline over 1 year | -2.50% | -9.66% | +7.16% |
Max Drawdown (3Y)Largest decline over 3 years | -3.66% | -18.30% | +14.64% |
Max Drawdown (5Y)Largest decline over 5 years | -13.88% | -22.13% | +8.25% |
Max Drawdown (10Y)Largest decline over 10 years | -14.60% | -43.80% | +29.20% |
Current DrawdownCurrent decline from peak | -1.74% | -0.40% | -1.34% |
Average DrawdownAverage peak-to-trough decline | -2.67% | -7.48% | +4.81% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.89% | 2.93% | -2.04% |
Volatility
IEI vs. WFMIX - Volatility Comparison
The current volatility for iShares 3-7 Year Treasury Bond ETF (IEI) is 0.98%, while Allspring Special Mid Cap Value Fund Class I (WFMIX) has a volatility of 4.41%. This indicates that IEI experiences smaller price fluctuations and is considered to be less risky than WFMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IEI | WFMIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.98% | 4.41% | -3.43% |
Volatility (6M)Calculated over the trailing 6-month period | 2.18% | 10.78% | -8.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.00% | 14.16% | -11.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.78% | 17.23% | -12.45% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.93% | 18.91% | -14.98% |
IEI vs. WFMIX - Expense Ratio Comparison
IEI has a 0.15% expense ratio, which is lower than WFMIX's 0.80% expense ratio.
Dividends
IEI vs. WFMIX - Dividend Comparison
IEI's dividend yield for the trailing twelve months is around 3.64%, less than WFMIX's 10.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEI iShares 3-7 Year Treasury Bond ETF | 3.64% | 3.48% | 3.18% | 2.36% | 1.37% | 0.73% | 1.12% | 2.01% | 1.95% | 1.51% | 1.33% | 1.39% |
WFMIX Allspring Special Mid Cap Value Fund Class I | 10.17% | 11.24% | 8.00% | 5.51% | 8.71% | 9.87% | 0.66% | 7.48% | 2.74% | 4.41% | 1.44% | 4.47% |
Frequently Asked Questions
IEI and WFMIX have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WFMIX has higher volatility (4.41%) compared to IEI (0.98%). In terms of maximum drawdown, IEI dropped -14.60% vs WFMIX's -52.70%.
WFMIX currently has the higher Sharpe Ratio (1.23 vs 1.00), 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.
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