IGOV vs. RBIL
IGOV (iShares International Treasury Bond ETF) and RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) are both exchange-traded funds - IGOV is a International Government Bonds fund tracking the FTSE World Government Bond Index - Developed Markets Capped Select Index, while RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index. Both are passively managed. Over the past year, IGOV returned -1.38% vs 3.95% for RBIL. At a correlation of -0.13, they often move in opposite directions. IGOV charges 0.35%/yr vs 0.17%/yr for RBIL.
Performance
IGOV vs. RBIL - Performance Comparison
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Returns By Period
In the year-to-date period, IGOV achieves a -1.54% return, which is significantly lower than RBIL's 2.31% return.
IGOV
- 1D
- -0.44%
- 1M
- -0.99%
- YTD
- -1.54%
- 6M
- -1.25%
- 1Y
- -1.38%
- 3Y*
- 1.82%
- 5Y*
- -4.29%
- 10Y*
- -1.47%
RBIL
- 1D
- -0.05%
- 1M
- -0.20%
- YTD
- 2.31%
- 6M
- 2.35%
- 1Y
- 3.95%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IGOV vs. RBIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IGOV iShares International Treasury Bond ETF | -1.54% | 8.41% |
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 2.31% | 2.85% |
Correlation
The correlation between IGOV and RBIL is -0.19, 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 | -0.19 |
Correlation (All Time) Calculated using the full available price history since Feb 25, 2025 | -0.13 |
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Return for Risk
IGOV vs. RBIL — Risk / Return Rank
IGOV
RBIL
IGOV vs. RBIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares International Treasury Bond ETF (IGOV) and F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL). 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.
| IGOV | RBIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -4.35 | ||
| Sortino ratioReturn per unit of downside risk | -6.58 | ||
| Omega ratioGain probability vs. loss probability | 0.98 | 2.06 | -1.08 |
| Calmar ratioReturn relative to maximum drawdown | -0.24 | 7.59 | -7.83 |
| Martin ratioReturn relative to average drawdown | -0.54 | 44.07 | -44.61 |
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Drawdowns
IGOV vs. RBIL - Drawdown Comparison
The maximum IGOV drawdown since its inception was -35.88%, which is greater than RBIL's maximum drawdown of -0.52%. Use the drawdown chart below to compare losses from any high point for IGOV and RBIL.
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Drawdown Indicators
| IGOV | RBIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.88% | -0.52% | -35.36% |
Max Drawdown (1Y)Largest decline over 1 year | -5.70% | -0.52% | -5.18% |
Max Drawdown (3Y)Largest decline over 3 years | -10.65% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -32.92% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -35.88% | — | — |
Current DrawdownCurrent decline from peak | -24.80% | -0.51% | -24.29% |
Average DrawdownAverage peak-to-trough decline | -11.05% | -0.07% | -10.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.56% | 0.09% | +2.47% |
Volatility
IGOV vs. RBIL - Volatility Comparison
iShares International Treasury Bond ETF (IGOV) has a higher volatility of 2.28% compared to F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) at 0.36%. This indicates that IGOV's price experiences larger fluctuations and is considered to be riskier than RBIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IGOV | RBIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.28% | 0.36% | +1.92% |
Volatility (6M)Calculated over the trailing 6-month period | 6.36% | 0.85% | +5.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.15% | 0.95% | +7.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.97% | 1.07% | +8.90% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 8.61% | 1.07% | +7.54% |
IGOV vs. RBIL - Expense Ratio Comparison
IGOV has a 0.35% expense ratio, which is higher than RBIL's 0.17% expense ratio.
Dividends
IGOV vs. RBIL - Dividend Comparison
IGOV's dividend yield for the trailing twelve months is around 1.43%, less than RBIL's 4.38% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGOV iShares International Treasury Bond ETF | 1.43% | 1.41% | 0.59% | 0.00% | 0.11% | 0.39% | 0.00% | 0.24% | 0.31% | 0.19% | 0.69% | 0.12% |
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 4.38% | 3.65% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IGOV and RBIL have a correlation of -0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IGOV has higher volatility (2.28%) compared to RBIL (0.36%). In terms of maximum drawdown, IGOV dropped -35.88% vs RBIL's -0.52%.
On 1-year performance, RBIL leads with 3.95% vs -1.38% for IGOV. On fees, RBIL is cheaper at 0.17% per year. On volatility, RBIL has been the lower-risk option at 0.36%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, RBIL has performed better with a 3.95% return vs -1.38%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
RBIL is cheaper with a 0.17% expense ratio, compared with 0.35% for IGOV.
RBIL has the higher dividend yield at 4.38%, compared with 1.43% for IGOV.
IGOV is categorized as International Government Bonds, while RBIL is Inflation-Protected Bonds. IGOV tracks FTSE World Government Bond Index - Developed Markets Capped Select Index, while RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index. They also come from different issuers: iShares and F/m. Their fees differ too: 0.35% for IGOV and 0.17% for RBIL.
RBIL currently has the higher Sharpe Ratio (4.18 vs -0.17), 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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