IBIL vs. VTIP
IBIL (iShares iBonds Oct 2035 Term TIPS ETF) and VTIP (Vanguard Short-Term Inflation-Protected Securities ETF) are both Inflation-Protected Bonds funds - IBIL tracks the ICE 2035 Maturity US Treasury TIPS Index while VTIP tracks the Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index. Both are passively managed. Over the past year, IBIL returned 6.35% vs 4.70% for VTIP. A 0.65 correlation means they provide meaningful diversification when combined. IBIL charges 0.10%/yr vs 0.03%/yr for VTIP.
Performance
IBIL vs. VTIP - Performance Comparison
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Returns By Period
In the year-to-date period, IBIL achieves a 1.59% return, which is significantly lower than VTIP's 2.05% return.
IBIL
- 1D
- -0.33%
- 1M
- -0.33%
- YTD
- 1.59%
- 6M
- 1.17%
- 1Y
- 6.35%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VTIP
- 1D
- 0.00%
- 1M
- 0.04%
- YTD
- 2.05%
- 6M
- 2.03%
- 1Y
- 4.70%
- 3Y*
- 5.26%
- 5Y*
- 3.37%
- 10Y*
- 3.14%
IBIL vs. VTIP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBIL iShares iBonds Oct 2035 Term TIPS ETF | 1.59% | 4.75% |
VTIP Vanguard Short-Term Inflation-Protected Securities ETF | 2.05% | 3.50% |
Correlation
The correlation between IBIL and VTIP is 0.64, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.64 |
Correlation (All Time) Calculated using the full available price history since Mar 27, 2025 | 0.65 |
The correlation between IBIL and VTIP has been stable across timeframes, ranging from 0.64 to 0.65 - a consistent structural relationship.
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Return for Risk
IBIL vs. VTIP — Risk / Return Rank
IBIL
VTIP
IBIL vs. VTIP - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Oct 2035 Term TIPS ETF (IBIL) and Vanguard Short-Term Inflation-Protected Securities ETF (VTIP). 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.
| IBIL | VTIP | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.01 | ||
| Sortino ratioReturn per unit of downside risk | -3.75 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.67 | -0.44 |
| Calmar ratioReturn relative to maximum drawdown | 2.31 | 6.75 | -4.44 |
| Martin ratioReturn relative to average drawdown | 5.52 | 26.06 | -20.54 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| IBIL | VTIP | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.14 | 3.15 | -2.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 1.22 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 1.15 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.66 | 0.89 | -0.24 |
Drawdowns
IBIL vs. VTIP - Drawdown Comparison
The maximum IBIL drawdown since its inception was -5.28%, smaller than the maximum VTIP drawdown of -6.27%. Use the drawdown chart below to compare losses from any high point for IBIL and VTIP.
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Drawdown Indicators
| IBIL | VTIP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.28% | -6.27% | +0.99% |
Max Drawdown (1Y)Largest decline over 1 year | -2.76% | -0.70% | -2.06% |
Max Drawdown (3Y)Largest decline over 3 years | — | -0.98% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -5.50% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -6.27% | — |
Current DrawdownCurrent decline from peak | -0.66% | -0.02% | -0.64% |
Average DrawdownAverage peak-to-trough decline | -1.48% | -1.04% | -0.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.15% | 0.18% | +0.97% |
Volatility
IBIL vs. VTIP - Volatility Comparison
iShares iBonds Oct 2035 Term TIPS ETF (IBIL) has a higher volatility of 1.25% compared to Vanguard Short-Term Inflation-Protected Securities ETF (VTIP) at 0.43%. This indicates that IBIL's price experiences larger fluctuations and is considered to be riskier than VTIP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBIL | VTIP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.25% | 0.43% | +0.82% |
Volatility (6M)Calculated over the trailing 6-month period | 3.08% | 1.02% | +2.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.58% | 1.50% | +4.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.20% | 2.77% | +5.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 8.20% | 2.74% | +5.46% |
IBIL vs. VTIP - Expense Ratio Comparison
IBIL has a 0.10% expense ratio, which is higher than VTIP's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IBIL vs. VTIP - Dividend Comparison
IBIL's dividend yield for the trailing twelve months is around 3.47%, less than VTIP's 3.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
IBIL iShares iBonds Oct 2035 Term TIPS ETF | 3.47% | 2.93% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VTIP Vanguard Short-Term Inflation-Protected Securities ETF | 3.58% | 3.81% | 2.70% | 2.86% | 6.84% | 4.68% | 1.20% | 1.95% | 2.45% | 1.52% | 0.76% |
Frequently Asked Questions
IBIL and VTIP have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBIL has higher volatility (1.25%) compared to VTIP (0.43%). In terms of maximum drawdown, IBIL dropped -5.28% vs VTIP's -6.27%.
On 1-year performance, IBIL leads with 6.35% vs 4.70% for VTIP. On fees, VTIP is cheaper at 0.03% per year. On volatility, VTIP has been the lower-risk option at 0.43%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBIL has performed better with a 6.35% return vs 4.70%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VTIP is cheaper with a 0.03% expense ratio, compared with 0.10% for IBIL.
VTIP has the higher dividend yield at 3.58%, compared with 3.47% for IBIL.
IBIL tracks ICE 2035 Maturity US Treasury TIPS Index, while VTIP tracks Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.10% for IBIL and 0.03% for VTIP.
VTIP currently has the higher Sharpe Ratio (3.15 vs 1.14), 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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