ZROZ vs. IBTF
Compare and contrast key facts about PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) and iShares iBonds Dec 2025 Term Treasury ETF (IBTF).
ZROZ and IBTF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ZROZ is a passively managed fund by PIMCO that tracks the performance of the BofA Merrill Lynch Long Treasury Principal STRIPS Index. It was launched on Oct 30, 2009. IBTF is a passively managed fund by iShares that tracks the performance of the ICE 2025 Maturity US Treasury Index. It was launched on Feb 25, 2020. Both ZROZ and IBTF are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
ZROZ vs. IBTF - Performance Comparison
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ZROZ vs. IBTF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund | -0.37% | -1.84% | -16.18% | 1.19% | -41.28% | -5.22% | 2.02% |
IBTF iShares iBonds Dec 2025 Term Treasury ETF | 0.00% | 3.81% | 4.60% | 4.12% | -6.39% | -2.31% | 3.60% |
Returns By Period
ZROZ
- 1D
- -0.61%
- 1M
- -6.35%
- YTD
- -0.37%
- 6M
- -3.49%
- 1Y
- -6.32%
- 3Y*
- -8.90%
- 5Y*
- -11.00%
- 10Y*
- -3.82%
IBTF
- 1D
- 0.00%
- 1M
- 0.00%
- YTD
- 0.00%
- 6M
- 0.73%
- 1Y
- 2.88%
- 3Y*
- 3.59%
- 5Y*
- 1.00%
- 10Y*
- —
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ZROZ vs. IBTF - Expense Ratio Comparison
ZROZ has a 0.15% expense ratio, which is higher than IBTF's 0.07% 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%.
Return for Risk
ZROZ vs. IBTF — Risk / Return Rank
ZROZ
IBTF
ZROZ vs. IBTF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) and iShares iBonds Dec 2025 Term Treasury ETF (IBTF). 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.
| ZROZ | IBTF | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.33 | 7.41 | -7.74 |
Sortino ratioReturn per unit of downside risk | -0.34 | 17.29 | -17.62 |
Omega ratioGain probability vs. loss probability | 0.96 | 4.32 | -3.36 |
Calmar ratioReturn relative to maximum drawdown | -0.30 | 82.67 | -82.97 |
Martin ratioReturn relative to average drawdown | -0.53 | 244.42 | -244.95 |
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
| ZROZ | IBTF | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.33 | 7.41 | -7.74 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.46 | 0.43 | -0.90 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.17 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.09 | 0.45 | -0.36 |
Correlation
The correlation between ZROZ and IBTF is 0.48, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
ZROZ vs. IBTF - Dividend Comparison
ZROZ's dividend yield for the trailing twelve months is around 4.98%, more than IBTF's 3.14% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund | 4.98% | 4.96% | 4.58% | 3.52% | 2.76% | 1.60% | 1.68% | 2.22% | 2.06% | 2.53% | 3.00% | 2.98% |
IBTF iShares iBonds Dec 2025 Term Treasury ETF | 3.14% | 3.83% | 4.32% | 4.03% | 1.93% | 0.57% | 0.59% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
ZROZ vs. IBTF - Drawdown Comparison
The maximum ZROZ drawdown since its inception was -62.93%, which is greater than IBTF's maximum drawdown of -10.45%. Use the drawdown chart below to compare losses from any high point for ZROZ and IBTF.
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Drawdown Indicators
| ZROZ | IBTF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.93% | -10.45% | -52.48% |
Max Drawdown (1Y)Largest decline over 1 year | -15.63% | -0.04% | -15.59% |
Max Drawdown (5Y)Largest decline over 5 years | -57.98% | -9.53% | -48.45% |
Max Drawdown (10Y)Largest decline over 10 years | -62.93% | — | — |
Current DrawdownCurrent decline from peak | -59.65% | 0.00% | -59.65% |
Average DrawdownAverage peak-to-trough decline | -23.66% | -3.42% | -20.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.99% | 0.01% | +8.98% |
Volatility
ZROZ vs. IBTF - Volatility Comparison
PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) has a higher volatility of 5.79% compared to iShares iBonds Dec 2025 Term Treasury ETF (IBTF) at 0.00%. This indicates that ZROZ's price experiences larger fluctuations and is considered to be riskier than IBTF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ZROZ | IBTF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.79% | 0.00% | +5.79% |
Volatility (6M)Calculated over the trailing 6-month period | 10.85% | 0.25% | +10.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.16% | 0.46% | +18.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.93% | 2.39% | +21.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.09% | 2.60% | +19.49% |