EARRX vs. IPBAX

Last updated Aug 4, 2026

EARRX (Eaton Vance Short Duration Inflation-Protected Income Fund Class A) and IPBAX (Allspring Real Return Fund) are both Inflation-Protected Bonds funds. Over the past 10 years, EARRX returned 3.58%/yr vs 4.35%/yr for IPBAX. Their 0.56 correlation means they have sometimes moved together and sometimes differently. EARRX charges 0.85%/yr vs 0.78%/yr for IPBAX.

Performance

EARRX vs. IPBAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eaton Vance Short Duration Inflation-Protected Income Fund Class A (EARRX) and Allspring Real Return Fund (IPBAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EARRX achieves a 1.14% return, which is significantly lower than IPBAX's 8.82% return. Over the past 10 years, EARRX has underperformed IPBAX with an annualized return of 3.58%, while IPBAX has yielded a comparatively higher 4.35% annualized return.

EARRX

• 1D: 0.00%
• 1M: 0.20%
• 6M: 0.84%
• YTD: 1.14%
• 1Y: 2.07%
• 3Y*: 5.00%
• 5Y*: 3.27%
• 10Y*: 3.58%
• ALL TIME*: 2.63%

IPBAX

• 1D: 0.18%
• 1M: -1.89%
• 6M: 2.91%
• YTD: 8.82%
• 1Y: 15.95%
• 3Y*: 10.09%
• 5Y*: 4.61%
• 10Y*: 4.35%
• ALL TIME*: 4.11%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
EARRX Eaton Vance Short Duration Inflation-Protected Income Fund Class A	$0.00	$0.00	$0.00
IPBAX Allspring Real Return Fund	$0.00	$0.00	$0.00

EARRX vs. IPBAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EARRX Eaton Vance Short Duration Inflation-Protected Income Fund Class A	1.14%	5.46%	5.39%	5.95%	-3.22%	7.50%	5.05%	5.29%	-0.49%	1.81%
IPBAX Allspring Real Return Fund	8.82%	10.37%	8.12%	5.35%	-10.75%	7.74%	8.03%	9.87%	-4.02%	4.07%

Correlation

The correlation between EARRX and IPBAX is 0.23, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.23
Correlation (3Y) Balances recent behavior with more history.	0.38
Correlation (5Y) Shows whether the relationship held over a longer period.	0.54
Correlation (10Y) Provides a long-term view across more market conditions.	0.55
Correlation (All Time) Calculated using the full available price history since Aug 3, 2012	0.56

Over the past year, the correlation between EARRX and IPBAX has dropped to 0.23 - well below their long-term average of 0.56, suggesting their price drivers have been diverging.

Return for Risk

EARRX vs. IPBAX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

EARRX

EARRX Risk / Return Rank: 54
EARRX Sharpe Ratio Rank: 46
EARRX Sortino Ratio Rank: 48
EARRX Omega Ratio Rank: 60
EARRX Calmar Ratio Rank: 66
EARRX Martin Ratio Rank: 48

IPBAX

IPBAX Risk / Return Rank: 66
IPBAX Sharpe Ratio Rank: 71
IPBAX Sortino Ratio Rank: 63
IPBAX Omega Ratio Rank: 66
IPBAX Calmar Ratio Rank: 69
IPBAX Martin Ratio Rank: 59

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

EARRX vs. IPBAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eaton Vance Short Duration Inflation-Protected Income Fund Class A (EARRX) and Allspring Real Return Fund (IPBAX). 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.

	EARRX	IPBAX	Difference
Sharpe ratio: Return per unit of total volatility	1.41	1.74	-0.33
Sortino ratio: Return per unit of downside risk	2.06	2.34	-0.28
Omega ratio: Gain probability vs. loss probability	1.29	1.31	-0.02
Calmar ratio: Return relative to maximum drawdown	2.32	2.40	-0.08
Martin ratio: Return relative to average drawdown	7.23	8.32	-1.09

EARRX vs. IPBAX - Sharpe Ratio Comparison

The current EARRX Sharpe Ratio is 1.41, which is comparable to the IPBAX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of EARRX and IPBAX, 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

EARRX vs. IPBAX - Drawdown Comparison

The maximum EARRX drawdown since its inception was -10.27%, smaller than the maximum IPBAX drawdown of -15.13%. Use the drawdown chart below to compare losses from any high point for EARRX and IPBAX.

Drawdown Indicators

	EARRX	IPBAX	Difference
Max Drawdown Largest peak-to-trough decline	-10.27%	-15.13%	+4.86%
Max Drawdown (1Y) Largest decline over 1 year	-0.98%	-6.49%	+5.51%
Max Drawdown (3Y) Largest decline over 3 years	-1.18%	-6.49%	+5.31%
Max Drawdown (5Y) Largest decline over 5 years	-6.39%	-13.94%	+7.55%
Max Drawdown (10Y) Largest decline over 10 years	-10.27%	-13.94%	+3.67%
Current Drawdown Current decline from peak	-0.53%	-5.62%	+5.09%
Average Drawdown Average peak-to-trough decline	-1.08%	-3.14%	+2.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.32%	1.87%	-1.55%

Volatility

EARRX vs. IPBAX - Volatility Comparison

The current volatility for Eaton Vance Short Duration Inflation-Protected Income Fund Class A (EARRX) is 0.44%, while Allspring Real Return Fund (IPBAX) has a volatility of 3.03%. This indicates that EARRX experiences smaller price fluctuations and is considered to be less risky than IPBAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EARRX	IPBAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.44%	3.03%	-2.59%
Volatility (6M) Calculated over the trailing 6-month period	1.31%	7.33%	-6.02%
Volatility (1Y) Calculated over the trailing 1-year period	1.62%	8.96%	-7.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.77%	7.51%	-4.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.71%	6.15%	-3.44%

EARRX vs. IPBAX - Expense Ratio Comparison

EARRX has a 0.85% expense ratio, which is higher than IPBAX's 0.78% expense ratio.

Dividends

EARRX vs. IPBAX - Dividend Comparison

EARRX's dividend yield for the trailing twelve months is around 5.03%, less than IPBAX's 11.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EARRX Eaton Vance Short Duration Inflation-Protected Income Fund Class A	5.03%	4.36%	3.83%	4.24%	4.82%	3.32%	2.02%	2.46%	2.67%	1.90%	2.00%	1.73%
IPBAX Allspring Real Return Fund	11.99%	2.58%	2.26%	3.71%	5.07%	3.84%	1.26%	2.12%	2.57%	1.96%	1.77%	2.13%

Frequently Asked Questions

Can I hold both EARRX and IPBAX in my portfolio?

EARRX and IPBAX have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EARRX or IPBAX?

IPBAX has higher volatility (3.03%) compared to EARRX (0.44%). In terms of maximum drawdown, EARRX dropped -10.27% vs IPBAX's -15.13%.

Which has better risk-adjusted returns?

IPBAX currently has the higher Sharpe Ratio (1.74 vs 1.41), 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.