BBBL vs. ZROZ
BBBL (Bondbloxx BBB Rated 10+ Year Corporate Bond ETF) and ZROZ (PIMCO 25+ Year Zero Coupon US Treasury Index Fund) are both exchange-traded funds - BBBL is a Long-Term Bond fund tracking the Bloomberg U.S. Corporate BBB 10+ Year Index - Benchmark TR Gross, while ZROZ is a Government Bonds fund tracking the ICE BofA Long U.S. Treasury Principal STRIPS Index. Both are passively managed. Over the past year, BBBL returned 6.44% vs 4.12% for ZROZ. Their correlation of 0.90 suggests significant overlap in exposure. BBBL charges 0.19%/yr vs 0.15%/yr for ZROZ.
Performance
BBBL vs. ZROZ - Performance Comparison
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Returns By Period
In the year-to-date period, BBBL achieves a 2.36% return, which is significantly lower than ZROZ's 3.38% return.
BBBL
- 1D
- 0.63%
- 1M
- 2.22%
- YTD
- 2.36%
- 6M
- 1.65%
- 1Y
- 6.44%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ZROZ
- 1D
- 2.17%
- 1M
- 6.83%
- YTD
- 3.38%
- 6M
- 1.48%
- 1Y
- 4.12%
- 3Y*
- -6.82%
- 5Y*
- -11.27%
- 10Y*
- -3.96%
BBBL vs. ZROZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
BBBL Bondbloxx BBB Rated 10+ Year Corporate Bond ETF | 2.36% | 7.02% | 0.93% |
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund | 3.38% | -1.84% | -6.87% |
Correlation
The correlation between BBBL and ZROZ is 0.87, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.87 |
Correlation (All Time) Calculated using the full available price history since Jan 25, 2024 | 0.90 |
The correlation between BBBL and ZROZ has been stable across timeframes, ranging from 0.87 to 0.90 - a consistent structural relationship.
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Return for Risk
BBBL vs. ZROZ — Risk / Return Rank
BBBL
ZROZ
BBBL vs. ZROZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Bondbloxx BBB Rated 10+ Year Corporate Bond ETF (BBBL) 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.
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.
| BBBL | ZROZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.57 | ||
| Sortino ratioReturn per unit of downside risk | +0.74 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.05 | +0.09 |
| Calmar ratioReturn relative to maximum drawdown | 1.19 | 0.29 | +0.89 |
| Martin ratioReturn relative to average drawdown | 2.93 | 0.64 | +2.29 |
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Drawdowns
BBBL vs. ZROZ - Drawdown Comparison
The maximum BBBL drawdown since its inception was -9.43%, smaller than the maximum ZROZ drawdown of -62.93%. Use the drawdown chart below to compare losses from any high point for BBBL and ZROZ.
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Drawdown Indicators
| BBBL | ZROZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.43% | -62.93% | +53.50% |
Max Drawdown (1Y)Largest decline over 1 year | -5.45% | -14.02% | +8.57% |
Max Drawdown (3Y)Largest decline over 3 years | — | -28.62% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -57.98% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -62.93% | — |
Current DrawdownCurrent decline from peak | -0.79% | -58.13% | +57.34% |
Average DrawdownAverage peak-to-trough decline | -3.26% | -24.16% | +20.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.20% | 6.41% | -4.21% |
Volatility
BBBL vs. ZROZ - Volatility Comparison
The current volatility for Bondbloxx BBB Rated 10+ Year Corporate Bond ETF (BBBL) is 1.96%, while PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) has a volatility of 4.01%. This indicates that BBBL 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.
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Volatility by Period
| BBBL | ZROZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.96% | 4.01% | -2.05% |
Volatility (6M)Calculated over the trailing 6-month period | 5.82% | 10.93% | -5.11% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.79% | 15.88% | -8.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.75% | 23.85% | -14.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.75% | 22.04% | -12.29% |
BBBL vs. ZROZ - Expense Ratio Comparison
BBBL has a 0.19% expense ratio, which is higher than ZROZ's 0.15% 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
BBBL vs. ZROZ - Dividend Comparison
BBBL's dividend yield for the trailing twelve months is around 5.68%, more than ZROZ's 4.93% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BBBL Bondbloxx BBB Rated 10+ Year Corporate Bond ETF | 5.68% | 5.77% | 5.19% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund | 4.93% | 4.96% | 4.58% | 3.52% | 2.76% | 1.60% | 1.68% | 2.22% | 2.06% | 2.53% | 3.00% | 2.98% |
Frequently Asked Questions
BBBL and ZROZ have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ZROZ has higher volatility (4.01%) compared to BBBL (1.96%). In terms of maximum drawdown, BBBL dropped -9.43% vs ZROZ's -62.93%.
On 1-year performance, BBBL leads with 6.44% vs 4.12% for ZROZ. On fees, ZROZ is cheaper at 0.15% per year. On volatility, BBBL has been the lower-risk option at 1.96%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, BBBL has performed better with a 6.44% return vs 4.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ZROZ is cheaper with a 0.15% expense ratio, compared with 0.19% for BBBL.
BBBL has the higher dividend yield at 5.68%, compared with 4.93% for ZROZ.
BBBL is categorized as Long-Term Bond, while ZROZ is Government Bonds. BBBL tracks Bloomberg U.S. Corporate BBB 10+ Year Index - Benchmark TR Gross, while ZROZ tracks ICE BofA Long U.S. Treasury Principal STRIPS Index. They also come from different issuers: BondBloxx and PIMCO. Their fees differ too: 0.19% for BBBL and 0.15% for ZROZ.
BBBL currently has the higher Sharpe Ratio (0.83 vs 0.26), 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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