STPZ vs. ZROZ

Last updated Apr 1, 2026

Compare and contrast key facts about PIMCO 1-5 Year US TIPS Index ETF (STPZ) and PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ).

STPZ and ZROZ are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. STPZ is a passively managed fund by PIMCO that tracks the performance of the ICE BofA US Inflation-Linked Treasury (1-5 Y). It was launched on Aug 20, 2009. 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. Both STPZ and ZROZ 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

STPZ vs. ZROZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO 1-5 Year US TIPS Index ETF (STPZ) and PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ). The values are adjusted to include any dividend payments, if applicable.

STPZ vs. ZROZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
STPZ PIMCO 1-5 Year US TIPS Index ETF	0.83%	6.40%	4.30%	4.28%	-4.49%	5.64%	5.44%	4.83%	0.04%	0.51%
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, STPZ achieves a 0.83% return, which is significantly higher than ZROZ's -0.37% return. Over the past 10 years, STPZ has outperformed ZROZ with an annualized return of 2.82%, while ZROZ has yielded a comparatively lower -3.82% annualized return.

STPZ

• 1D: 0.07%
• 1M: -0.12%
• YTD: 0.83%
• 6M: 1.08%
• 1Y: 3.83%
• 3Y*: 4.47%
• 5Y*: 3.05%
• 10Y*: 2.82%

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%

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

STPZ vs. ZROZ - Expense Ratio Comparison

STPZ has a 0.20% 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%.

STPZ

PIMCO 1-5 Year US TIPS Index ETF

ZROZ

PIMCO 25+ Year Zero Coupon US Treasury Index Fund

Return for Risk

STPZ vs. ZROZ — Risk / Return Rank

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

STPZ

STPZ Risk / Return Rank: 85
STPZ Sharpe Ratio Rank: 83
STPZ Sortino Ratio Rank: 86
STPZ Omega Ratio Rank: 84
STPZ Calmar Ratio Rank: 89
STPZ Martin Ratio Rank: 81

ZROZ

ZROZ Risk / Return Rank: 7
ZROZ Sharpe Ratio Rank: 6
ZROZ Sortino Ratio Rank: 6
ZROZ Omega Ratio Rank: 6
ZROZ Calmar Ratio Rank: 7
ZROZ Martin Ratio Rank: 8

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.

STPZ vs. ZROZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO 1-5 Year US TIPS Index ETF (STPZ) 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.

	STPZ	ZROZ	Difference
Sharpe ratio Return per unit of total volatility	1.61	-0.33	+1.95
Sortino ratio Return per unit of downside risk	2.30	-0.34	+2.64
Omega ratio Gain probability vs. loss probability	1.33	0.96	+0.37
Calmar ratio Return relative to maximum drawdown	2.92	-0.30	+3.22
Martin ratio Return relative to average drawdown	8.71	-0.53	+9.24
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STPZ vs. ZROZ - Sharpe Ratio Comparison

The current STPZ Sharpe Ratio is 1.61, which is higher than the ZROZ Sharpe Ratio of -0.33. The chart below compares the historical Sharpe Ratios of STPZ and ZROZ, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	STPZ	ZROZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.61	-0.33	+1.95
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.93	-0.46	+1.39
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.95	-0.17	+1.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.89	0.09	+0.79

Correlation

The correlation between STPZ and ZROZ is 0.36, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

STPZ vs. ZROZ - Dividend Comparison

STPZ's dividend yield for the trailing twelve months is around 3.59%, less than ZROZ's 4.98% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
STPZ PIMCO 1-5 Year US TIPS Index ETF	3.59%	3.65%	1.97%	1.63%	5.88%	3.65%	1.86%	1.76%	2.23%	1.51%	0.65%	0.49%
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

STPZ vs. ZROZ - Drawdown Comparison

The maximum STPZ drawdown since its inception was -6.77%, smaller than the maximum ZROZ drawdown of -62.93%. Use the drawdown chart below to compare losses from any high point for STPZ and ZROZ.

Drawdown Indicators

	STPZ	ZROZ	Difference
Max Drawdown Largest peak-to-trough decline	-6.77%	-62.93%	+56.16%
Max Drawdown (1Y) Largest decline over 1 year	-1.35%	-15.63%	+14.28%
Max Drawdown (5Y) Largest decline over 5 years	-6.70%	-57.98%	+51.28%
Max Drawdown (10Y) Largest decline over 10 years	-6.77%	-62.93%	+56.16%
Current Drawdown Current decline from peak	-0.37%	-59.65%	+59.28%
Average Drawdown Average peak-to-trough decline	-1.32%	-23.66%	+22.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.45%	8.99%	-8.54%

Volatility

STPZ vs. ZROZ - Volatility Comparison

The current volatility for PIMCO 1-5 Year US TIPS Index ETF (STPZ) is 0.72%, while PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) has a volatility of 5.79%. This indicates that STPZ 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

	STPZ	ZROZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.72%	5.79%	-5.07%
Volatility (6M) Calculated over the trailing 6-month period	1.21%	10.85%	-9.64%
Volatility (1Y) Calculated over the trailing 1-year period	2.38%	19.16%	-16.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.30%	23.93%	-20.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.98%	22.09%	-19.11%