RINF vs. ISTB
RINF (ProShares Inflation Expectations ETF) and ISTB (iShares Core 1-5 Year USD Bond ETF) are both exchange-traded funds - RINF is a Inflation-Protected Bonds fund tracking the FTSE 30-Year TIPS (Treasury Rate-Hedged) Index, while ISTB is a Short-Term Bond fund tracking the BBG US Universal 1-5 Year Index (USD). Both are passively managed. Over the past 10 years, RINF returned 4.68%/yr vs 2.23%/yr for ISTB. At a correlation of -0.19, they often move in opposite directions. RINF charges 0.30%/yr vs 0.06%/yr for ISTB.
Performance
RINF vs. ISTB - Performance Comparison
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Returns By Period
In the year-to-date period, RINF achieves a 1.38% return, which is significantly higher than ISTB's 0.44% return. Over the past 10 years, RINF has outperformed ISTB with an annualized return of 4.68%, while ISTB has yielded a comparatively lower 2.23% annualized return.
RINF
- 1D
- -0.18%
- 1M
- -1.13%
- YTD
- 1.38%
- 6M
- 1.92%
- 1Y
- 1.44%
- 3Y*
- 4.03%
- 5Y*
- 5.19%
- 10Y*
- 4.68%
ISTB
- 1D
- -0.12%
- 1M
- 0.19%
- YTD
- 0.44%
- 6M
- 0.59%
- 1Y
- 3.73%
- 3Y*
- 4.98%
- 5Y*
- 1.90%
- 10Y*
- 2.23%
RINF vs. ISTB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RINF ProShares Inflation Expectations ETF | 1.38% | 1.64% | 9.79% | 0.21% | 8.77% | 16.20% | 1.98% | 1.82% | -0.79% | -1.70% |
ISTB iShares Core 1-5 Year USD Bond ETF | 0.44% | 6.36% | 4.37% | 5.56% | -6.08% | -0.71% | 4.75% | 5.61% | 1.02% | 1.72% |
Correlation
The correlation between RINF and ISTB is -0.42, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.42 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.45 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.37 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.25 |
Correlation (All Time) Calculated using the full available price history since Oct 24, 2012 | -0.19 |
Over the past year, the inverse relationship between RINF and ISTB has strengthened: their correlation has moved from -0.19 to -0.42, meaning they now move in opposite directions more often than their long-term average.
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Return for Risk
RINF vs. ISTB — Risk / Return Rank
RINF
ISTB
RINF vs. ISTB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Inflation Expectations ETF (RINF) and iShares Core 1-5 Year USD Bond ETF (ISTB). 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.
| RINF | ISTB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.76 | ||
| Sortino ratioReturn per unit of downside risk | -2.72 | ||
| Omega ratioGain probability vs. loss probability | 1.06 | 1.40 | -0.35 |
| Calmar ratioReturn relative to maximum drawdown | 0.55 | 2.98 | -2.43 |
| Martin ratioReturn relative to average drawdown | 1.05 | 10.97 | -9.92 |
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Drawdowns
RINF vs. ISTB - Drawdown Comparison
The maximum RINF drawdown since its inception was -43.51%, which is greater than ISTB's maximum drawdown of -9.34%. Use the drawdown chart below to compare losses from any high point for RINF and ISTB.
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Drawdown Indicators
| RINF | ISTB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.51% | -9.34% | -34.17% |
Max Drawdown (1Y)Largest decline over 1 year | -2.60% | -1.26% | -1.34% |
Max Drawdown (3Y)Largest decline over 3 years | -9.62% | -1.36% | -8.26% |
Max Drawdown (5Y)Largest decline over 5 years | -13.58% | -9.34% | -4.24% |
Max Drawdown (10Y)Largest decline over 10 years | -29.18% | -9.34% | -19.84% |
Current DrawdownCurrent decline from peak | -1.63% | -0.46% | -1.17% |
Average DrawdownAverage peak-to-trough decline | -16.40% | -1.22% | -15.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.38% | 0.34% | +1.04% |
Volatility
RINF vs. ISTB - Volatility Comparison
ProShares Inflation Expectations ETF (RINF) has a higher volatility of 1.04% compared to iShares Core 1-5 Year USD Bond ETF (ISTB) at 0.63%. This indicates that RINF's price experiences larger fluctuations and is considered to be riskier than ISTB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RINF | ISTB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.04% | 0.63% | +0.41% |
Volatility (6M)Calculated over the trailing 6-month period | 2.89% | 1.36% | +1.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.40% | 1.80% | +2.60% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.74% | 2.80% | +9.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.55% | 2.51% | +10.04% |
RINF vs. ISTB - Expense Ratio Comparison
RINF has a 0.30% expense ratio, which is higher than ISTB's 0.06% expense ratio.
Dividends
RINF vs. ISTB - Dividend Comparison
RINF's dividend yield for the trailing twelve months is around 3.74%, less than ISTB's 4.25% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ISTB iShares Core 1-5 Year USD Bond ETF | 4.25% | 4.12% | 3.83% | 2.97% | 2.01% | 1.69% | 2.20% | 2.75% | 2.57% | 2.06% | 1.90% | 1.58% |
RINF ProShares Inflation Expectations ETF | 3.74% | 3.89% | 4.68% | 5.07% | 1.15% | 2.76% | 0.82% | 1.90% | 2.47% | 2.99% | 1.09% | 1.83% |
Frequently Asked Questions
RINF and ISTB have a correlation of -0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RINF has higher volatility (1.04%) compared to ISTB (0.63%). In terms of maximum drawdown, RINF dropped -43.51% vs ISTB's -9.34%.
On 10-year performance, RINF leads with 4.68% vs 2.23% for ISTB. On fees, ISTB is cheaper at 0.06% per year. On volatility, ISTB has been the lower-risk option at 0.63%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, RINF has performed better with a 4.68% return vs 2.23%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ISTB is cheaper with a 0.06% expense ratio, compared with 0.30% for RINF.
ISTB has the higher dividend yield at 4.25%, compared with 3.74% for RINF.
RINF is categorized as Inflation-Protected Bonds, while ISTB is Short-Term Bond. RINF tracks FTSE 30-Year TIPS (Treasury Rate-Hedged) Index, while ISTB tracks BBG US Universal 1-5 Year Index (USD). They also come from different issuers: ProShares and iShares. Their fees differ too: 0.30% for RINF and 0.06% for ISTB.
ISTB currently has the higher Sharpe Ratio (2.09 vs 0.33), 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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