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PIPIX's Sortino Ratio of 2.31 indicates that for each unit of downside volatility, it generates 2.31 units of excess return. The ratio is calculated using historical daily returns over the past 12 months (as of Jun 4, 2026).

Unlike other measures, Sortino only focuses on downside volatility (losses), making it particularly useful for investors more concerned about protecting against drawdowns than overall price swings.

PIPIX Sortino Ratio Rank


PIPIX Sortino Ratio Rank: 30.631
Below Average

PIPIX ranks above 30.6% of all investments in our database based on Sortino Ratio over the past 12 months, indicating below-average returns relative to downside risk taken. Securities are ranked from 0 (worst) to 100 (best).

What moves the rank

  • Strong returns with minimal downside volatility → Higher rank
  • Severe or frequent drawdowns → Lower rank
  • Upside volatility → No impact (Sortino doesn't penalize upside swings)

What you can do with this information

  • Returns may not adequately compensate for downside risk taken
  • Consider smaller allocation given below-average risk-adjusted profile
  • Explore higher-ranked investments with better downside protection
  • Assess whether downside exposure aligns with your portfolio goals

PIPIX Sortino Ratio Market Positioning

The chart shows PIPIX's Sortino Ratio relative to all mutual funds on our platform, with color zones indicating percentile rankings. Higher ratios indicate better downside-adjusted returns.


  • Red zone (bottom 25%): 2.10 or lower
  • Yellow zone (middle 50%): 2.10 to 3.67
  • Green zone (top 25%): 3.67 or higher
  • Top 1%: 9.20+
  • Median: 3.00 — half of all investments score higher

How it compares to other similar mutual funds

The table compares Principal Inflation Protection Fund's Sortino Ratio with other mutual funds in the Inflation-Protected Bonds category across multiple time periods, showing how PIPIX's risk-adjusted performance compares to similar funds.

Data shows 1-, 5-, and 10-year periods, plus each fund's all-time average, as of Jun 4, 2026.


SymbolName1Y Sortino Ratio5Y Sortino Ratio10Y Sortino RatioAll Time Sortino Ratio
VTSPXVanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares5.19
VTAPXVanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares5.02
VTIPXVanguard Short-Term Inflation-Protected Securities Index Fund Investor Shares4.98
FSTZXFidelity Series 0-5 Year Inflation-Protected Bond Index Fund4.65
LIFIXLord Abbett Inflation Focused Fund4.48
IPBAXAllspring Real Return Fund4.30
LIFAXLord Abbett Inflation Focused Fund Class A4.27
EIRRXEaton Vance Short Duration Inflation-Protected Income Fund4.17
RRPAXSEI Institutional Investments Trust Real Return Fund4.13
EARRXEaton Vance Short Duration Inflation-Protected Income Fund Class A4.10
PIPIXPrincipal Inflation Protection Fund2.31

S&P 500 Index

How to choose period

Historical Sortino Ratio

The chart shows PIPIX's rolling Sortino ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to downside risk, while declining trends may signal deteriorating risk-adjusted performance or increased volatility during market stress. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.

Identify market cycles by observing when PIPIX consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.


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