MXIHX vs. APOIX
MXIHX (Great-West Inflation-Protected Securities Fund) and APOIX (American Century Short Duration Inflation Protection Bond Fund Investor Class) are both Inflation-Protected Bonds funds. Over the past 5 years, MXIHX returned 1.17%/yr vs 2.57%/yr for APOIX. Their 0.79 correlation means they have sometimes moved together and sometimes differently. MXIHX charges 0.70%/yr vs 0.57%/yr for APOIX.
Performance
MXIHX vs. APOIX - Performance Comparison
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Returns By Period
In the year-to-date period, MXIHX achieves a 0.54% return, which is significantly lower than APOIX's 1.67% return.
MXIHX
- 1D
- 0.00%
- 1M
- -0.11%
- 6M
- -0.11%
- YTD
- 0.54%
- 1Y
- 2.39%
- 3Y*
- 4.15%
- 5Y*
- 1.17%
- 10Y*
- —
- ALL TIME*
- 2.60%
APOIX
- 1D
- 0.00%
- 1M
- 0.19%
- 6M
- 1.09%
- YTD
- 1.67%
- 1Y
- 2.60%
- 3Y*
- 4.76%
- 5Y*
- 2.57%
- 10Y*
- 3.05%
- ALL TIME*
- 3.04%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
MXIHX vs. APOIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
MXIHX Great-West Inflation-Protected Securities Fund | 0.54% | 6.75% | 2.80% | 4.76% | -8.95% | 4.96% | 7.36% | 6.35% | -1.22% |
APOIX American Century Short Duration Inflation Protection Bond Fund Investor Class | 1.67% | 5.95% | 4.15% | 3.82% | -3.89% | 6.30% | 5.06% | 4.77% | 1.81% |
Correlation
The correlation between MXIHX and APOIX is 0.76, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.76 |
Correlation (3Y) Balances recent behavior with more history. | 0.77 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.83 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2018 | 0.79 |
The correlation between MXIHX and APOIX has been stable across timeframes, ranging from 0.76 to 0.83 - a consistent structural relationship.
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Return for Risk
MXIHX vs. APOIX — Risk / Return Rank
MXIHX
APOIX
MXIHX vs. APOIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Great-West Inflation-Protected Securities Fund (MXIHX) and American Century Short Duration Inflation Protection Bond Fund Investor Class (APOIX). 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.
| MXIHX | APOIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.86 | ||
| Sortino ratioReturn per unit of downside risk | -1.38 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.34 | -0.19 |
| Calmar ratioReturn relative to maximum drawdown | 1.14 | 3.66 | -2.52 |
| Martin ratioReturn relative to average drawdown | 3.88 | 10.52 | -6.64 |
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Drawdowns
MXIHX vs. APOIX - Drawdown Comparison
The maximum MXIHX drawdown since its inception was -11.51%, smaller than the maximum APOIX drawdown of -14.54%. Use the drawdown chart below to compare losses from any high point for MXIHX and APOIX.
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Drawdown Indicators
| MXIHX | APOIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -11.51% | -14.54% | +3.03% |
Max Drawdown (1Y)Largest decline over 1 year | -2.04% | -0.82% | -1.22% |
Max Drawdown (3Y)Largest decline over 3 years | -2.86% | -1.42% | -1.44% |
Max Drawdown (5Y)Largest decline over 5 years | -11.51% | -6.58% | -4.93% |
Max Drawdown (10Y)Largest decline over 10 years | — | -6.58% | — |
Current DrawdownCurrent decline from peak | -0.97% | -0.35% | -0.62% |
Average DrawdownAverage peak-to-trough decline | -2.39% | -1.98% | -0.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.59% | 0.28% | +0.31% |
Volatility
MXIHX vs. APOIX - Volatility Comparison
Great-West Inflation-Protected Securities Fund (MXIHX) has a higher volatility of 0.67% compared to American Century Short Duration Inflation Protection Bond Fund Investor Class (APOIX) at 0.41%. This indicates that MXIHX's price experiences larger fluctuations and is considered to be riskier than APOIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MXIHX | APOIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.67% | 0.41% | +0.26% |
Volatility (6M)Calculated over the trailing 6-month period | 2.21% | 1.36% | +0.85% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.85% | 1.80% | +1.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.85% | 3.30% | +1.55% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.35% | 2.85% | +1.50% |
MXIHX vs. APOIX - Expense Ratio Comparison
MXIHX has a 0.70% expense ratio, which is higher than APOIX's 0.57% expense ratio.
Dividends
MXIHX vs. APOIX - Dividend Comparison
MXIHX's dividend yield for the trailing twelve months is around 3.59%, more than APOIX's 3.53% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
APOIX American Century Short Duration Inflation Protection Bond Fund Investor Class | 3.53% | 3.99% | 2.31% | 2.78% | 5.63% | 3.92% | 0.81% | 1.69% | 3.99% | 1.52% | 0.42% |
MXIHX Great-West Inflation-Protected Securities Fund | 3.59% | 3.61% | 3.60% | 4.22% | 8.49% | 3.05% | 2.01% | 1.51% | 4.31% | 0.00% | 0.00% |
Frequently Asked Questions
MXIHX and APOIX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MXIHX has higher volatility (0.67%) compared to APOIX (0.41%). In terms of maximum drawdown, MXIHX dropped -11.51% vs APOIX's -14.54%.
APOIX currently has the higher Sharpe Ratio (1.67 vs 0.81), 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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