FBLTX vs. ZROZ
Compare and contrast key facts about Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX) and PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ).
FBLTX is managed by Fidelity. It was launched on Oct 8, 2015. 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.
Performance
FBLTX vs. ZROZ - Performance Comparison
Loading graphics...
FBLTX vs. ZROZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FBLTX Fidelity SAI Long-Term Treasury Bond Index Fund | -0.10% | 4.39% | -8.05% | 2.71% | -31.84% | -4.89% | 18.27% | 14.36% | -1.24% | 9.06% |
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund | -0.37% | -1.84% | -16.18% | 1.19% | -41.28% | -5.22% | 24.57% | 21.22% | -5.43% | 14.77% |
Returns By Period
In the year-to-date period, FBLTX achieves a -0.10% return, which is significantly higher than ZROZ's -0.37% return. Over the past 10 years, FBLTX has outperformed ZROZ with an annualized return of -1.45%, while ZROZ has yielded a comparatively lower -3.82% annualized return.
FBLTX
- 1D
- 1.37%
- 1M
- -4.30%
- YTD
- -0.10%
- 6M
- -1.00%
- 1Y
- -0.57%
- 3Y*
- -2.77%
- 5Y*
- -5.77%
- 10Y*
- -1.45%
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%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
FBLTX vs. ZROZ - Expense Ratio Comparison
FBLTX has a 0.03% expense ratio, which is lower than ZROZ's 0.15% expense ratio. Despite the difference, 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
FBLTX vs. ZROZ — Risk / Return Rank
FBLTX
ZROZ
FBLTX vs. ZROZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX) and PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ). 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.
| FBLTX | ZROZ | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.07 | -0.33 | +0.40 |
Sortino ratioReturn per unit of downside risk | 0.17 | -0.34 | +0.51 |
Omega ratioGain probability vs. loss probability | 1.02 | 0.96 | +0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.19 | -0.30 | +0.50 |
Martin ratioReturn relative to average drawdown | 0.41 | -0.53 | +0.94 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| FBLTX | ZROZ | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.07 | -0.33 | +0.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.37 | -0.46 | +0.09 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.10 | -0.17 | +0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.05 | 0.09 | -0.15 |
Correlation
The correlation between FBLTX and ZROZ is 0.98, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
FBLTX vs. ZROZ - Dividend Comparison
FBLTX's dividend yield for the trailing twelve months is around 3.74%, less than ZROZ's 4.98% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FBLTX Fidelity SAI Long-Term Treasury Bond Index Fund | 3.74% | 4.04% | 3.60% | 3.29% | 2.25% | 1.81% | 6.73% | 2.39% | 2.87% | 2.68% | 3.70% | 0.39% |
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% |
Drawdowns
FBLTX vs. ZROZ - Drawdown Comparison
The maximum FBLTX drawdown since its inception was -49.06%, smaller than the maximum ZROZ drawdown of -62.93%. Use the drawdown chart below to compare losses from any high point for FBLTX and ZROZ.
Loading graphics...
Drawdown Indicators
| FBLTX | ZROZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.06% | -62.93% | +13.87% |
Max Drawdown (1Y)Largest decline over 1 year | -9.51% | -15.63% | +6.12% |
Max Drawdown (5Y)Largest decline over 5 years | -44.19% | -57.98% | +13.79% |
Max Drawdown (10Y)Largest decline over 10 years | -49.06% | -62.93% | +13.87% |
Current DrawdownCurrent decline from peak | -41.02% | -59.65% | +18.63% |
Average DrawdownAverage peak-to-trough decline | -20.65% | -23.66% | +3.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.47% | 8.99% | -4.52% |
Volatility
FBLTX vs. ZROZ - Volatility Comparison
The current volatility for Fidelity SAI Long-Term Treasury Bond Index Fund (FBLTX) is 3.80%, while PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) has a volatility of 5.79%. This indicates that FBLTX experiences smaller price fluctuations and is considered to be less risky than ZROZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| FBLTX | ZROZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.80% | 5.79% | -1.99% |
Volatility (6M)Calculated over the trailing 6-month period | 6.63% | 10.85% | -4.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.51% | 19.16% | -7.65% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.72% | 23.93% | -8.21% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.62% | 22.09% | -7.47% |