RAFE vs. ZROZ

Last updated Jun 3, 2026

RAFE (PIMCO RAFI ESG U.S. ETF) and ZROZ (PIMCO 25+ Year Zero Coupon US Treasury Index Fund) are both exchange-traded funds - RAFE is a Large Cap Blend Equities fund tracking the RAFI ESG US Index, 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 5 years, RAFE returned 10.92%/yr vs -11.21%/yr for ZROZ. At a correlation of -0.06, they often move in opposite directions. RAFE charges 0.30%/yr vs 0.15%/yr for ZROZ.

Performance

RAFE vs. ZROZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO RAFI ESG U.S. ETF (RAFE) and PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RAFE achieves a 13.86% return, which is significantly higher than ZROZ's -0.59% return.

RAFE

• 1D: 0.94%
• 1M: 6.78%
• YTD: 13.86%
• 6M: 15.30%
• 1Y: 33.02%
• 3Y*: 19.71%
• 5Y*: 10.92%
• 10Y*: —

ZROZ

• 1D: 0.45%
• 1M: 0.90%
• YTD: -0.59%
• 6M: -3.61%
• 1Y: 4.38%
• 3Y*: -7.24%
• 5Y*: -11.21%
• 10Y*: -4.11%

*Multi-year figures are annualized to reflect compound growth (CAGR)

RAFE vs. ZROZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
RAFE PIMCO RAFI ESG U.S. ETF	13.86%	17.60%	13.81%	18.80%	-13.76%	30.16%	5.29%	0.55%
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund	-0.59%	-1.84%	-16.18%	1.19%	-41.28%	-5.22%	24.57%	-1.28%

Correlation

The correlation between RAFE and ZROZ is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.20
Correlation (5Y) Calculated over the trailing 5-year period	0.06
Correlation (All Time) Calculated using the full available price history since Dec 20, 2019	-0.06

The correlation between RAFE and ZROZ shifts across timeframes, from -0.06 (all time) to 0.23 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RAFE vs. ZROZ — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RAFE

RAFE Risk / Return Rank: 85
RAFE Sharpe Ratio Rank: 87
RAFE Sortino Ratio Rank: 88
RAFE Omega Ratio Rank: 84
RAFE Calmar Ratio Rank: 82
RAFE Martin Ratio Rank: 83

ZROZ

ZROZ Risk / Return Rank: 12
ZROZ Sharpe Ratio Rank: 13
ZROZ Sortino Ratio Rank: 12
ZROZ Omega Ratio Rank: 12
ZROZ Calmar Ratio Rank: 10
ZROZ Martin Ratio Rank: 10

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RAFE vs. ZROZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO RAFI ESG U.S. ETF (RAFE) 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.

	RAFE	ZROZ	Difference
Sharpe ratio Return per unit of total volatility	2.93	0.27	+2.66
Sortino ratio Return per unit of downside risk	4.06	0.51	+3.56
Omega ratio Gain probability vs. loss probability	1.52	1.06	+0.46
Calmar ratio Return relative to maximum drawdown	4.42	0.19	+4.23
Martin ratio Return relative to average drawdown	17.30	0.44	+16.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RAFE vs. ZROZ - Sharpe Ratio Comparison

The current RAFE Sharpe Ratio is 2.93, which is higher than the ZROZ Sharpe Ratio of 0.27. The chart below compares the historical Sharpe Ratios of RAFE and ZROZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RAFE	ZROZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.93	0.27	+2.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	-0.47	+1.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	-0.19	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.09	+0.56

Drawdowns

RAFE vs. ZROZ - Drawdown Comparison

The maximum RAFE drawdown since its inception was -35.74%, smaller than the maximum ZROZ drawdown of -62.93%. Use the drawdown chart below to compare losses from any high point for RAFE and ZROZ.

Drawdown Indicators

	RAFE	ZROZ	Difference
Max Drawdown Largest peak-to-trough decline	-35.74%	-62.93%	+27.19%
Max Drawdown (1Y) Largest decline over 1 year	-7.46%	-14.02%	+6.56%
Max Drawdown (3Y) Largest decline over 3 years	-16.36%	-28.62%	+12.26%
Max Drawdown (5Y) Largest decline over 5 years	-24.28%	-57.98%	+33.70%
Max Drawdown (10Y) Largest decline over 10 years	—	-62.93%	—
Current Drawdown Current decline from peak	0.00%	-59.74%	+59.74%
Average Drawdown Average peak-to-trough decline	-6.22%	-24.03%	+17.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.91%	6.09%	-4.18%

Volatility

RAFE vs. ZROZ - Volatility Comparison

The current volatility for PIMCO RAFI ESG U.S. ETF (RAFE) is 3.01%, while PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) has a volatility of 4.59%. This indicates that RAFE 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.

Volatility by Period

	RAFE	ZROZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.01%	4.59%	-1.58%
Volatility (6M) Calculated over the trailing 6-month period	8.27%	10.70%	-2.43%
Volatility (1Y) Calculated over the trailing 1-year period	11.33%	16.32%	-4.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.08%	23.90%	-8.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.44%	22.06%	-2.62%

RAFE vs. ZROZ - Expense Ratio Comparison

RAFE has a 0.30% expense ratio, which is higher than ZROZ's 0.15% expense ratio.

Dividends

RAFE vs. ZROZ - Dividend Comparison

RAFE's dividend yield for the trailing twelve months is around 1.49%, less than ZROZ's 5.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RAFE PIMCO RAFI ESG U.S. ETF	1.49%	1.67%	1.79%	1.81%	2.22%	1.42%	2.36%	0.00%	0.00%	0.00%	0.00%	0.00%
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund	5.12%	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

Can I hold both RAFE and ZROZ in my portfolio?

RAFE and ZROZ have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RAFE or ZROZ?

ZROZ has higher volatility (4.59%) compared to RAFE (3.01%). In terms of maximum drawdown, RAFE dropped -35.74% vs ZROZ's -62.93%.

Which ETF is better, RAFE or ZROZ?

On 5-year performance, RAFE leads with 10.92% vs -11.21% for ZROZ. On fees, ZROZ is cheaper at 0.15% per year. On volatility, RAFE has been the lower-risk option at 3.01%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RAFE or ZROZ?

Over the 5-year period, RAFE has performed better with a 10.92% return vs -11.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RAFE or ZROZ?

ZROZ is cheaper with a 0.15% expense ratio, compared with 0.30% for RAFE.

Which ETF pays a higher dividend yield, RAFE or ZROZ?

ZROZ has the higher dividend yield at 5.12%, compared with 1.49% for RAFE.

What is the main difference between RAFE and ZROZ?

RAFE is categorized as Large Cap Blend Equities, while ZROZ is Government Bonds. RAFE tracks RAFI ESG US Index, while ZROZ tracks ICE BofA Long U.S. Treasury Principal STRIPS Index. Their fees differ too: 0.30% for RAFE and 0.15% for ZROZ.

Which has better risk-adjusted returns?

RAFE currently has the higher Sharpe Ratio (2.93 vs 0.27), 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.