STPZ vs. VOO

Last updated Apr 1, 2026

Compare and contrast key facts about PIMCO 1-5 Year US TIPS Index ETF (STPZ) and Vanguard S&P 500 ETF (VOO).

STPZ and VOO 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. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010. Both STPZ and VOO 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. VOO - 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 Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

STPZ vs. VOO - 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%
VOO Vanguard S&P 500 ETF	-4.42%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Returns By Period

In the year-to-date period, STPZ achieves a 0.83% return, which is significantly higher than VOO's -4.42% return. Over the past 10 years, STPZ has underperformed VOO with an annualized return of 2.82%, while VOO has yielded a comparatively higher 14.05% 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%

VOO

• 1D: 2.86%
• 1M: -5.01%
• YTD: -4.42%
• 6M: -1.84%
• 1Y: 17.67%
• 3Y*: 18.27%
• 5Y*: 11.75%
• 10Y*: 14.05%

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

STPZ vs. VOO - Expense Ratio Comparison

STPZ has a 0.20% expense ratio, which is higher than VOO's 0.03% 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

VOO

Vanguard S&P 500 ETF

Return for Risk

STPZ vs. VOO — 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

VOO

VOO Risk / Return Rank: 65
VOO Sharpe Ratio Rank: 59
VOO Sortino Ratio Rank: 62
VOO Omega Ratio Rank: 66
VOO Calmar Ratio Rank: 65
VOO Martin Ratio Rank: 75

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. VOO - 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 Vanguard S&P 500 ETF (VOO). 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	VOO	Difference
Sharpe ratio Return per unit of total volatility	1.61	0.98	+0.63
Sortino ratio Return per unit of downside risk	2.30	1.50	+0.80
Omega ratio Gain probability vs. loss probability	1.33	1.23	+0.10
Calmar ratio Return relative to maximum drawdown	2.92	1.53	+1.38
Martin ratio Return relative to average drawdown	8.71	7.29	+1.42
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. VOO - Sharpe Ratio Comparison

The current STPZ Sharpe Ratio is 1.61, which is higher than the VOO Sharpe Ratio of 0.98. The chart below compares the historical Sharpe Ratios of STPZ and VOO, 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	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.61	0.98	+0.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.93	0.70	+0.23
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.95	0.78	+0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.89	0.83	+0.06

Correlation

The correlation between STPZ and VOO is 0.04, 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. VOO - Dividend Comparison

STPZ's dividend yield for the trailing twelve months is around 3.59%, more than VOO's 1.19% 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%
VOO Vanguard S&P 500 ETF	1.19%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Drawdowns

STPZ vs. VOO - Drawdown Comparison

The maximum STPZ drawdown since its inception was -6.77%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for STPZ and VOO.

Drawdown Indicators

	STPZ	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-6.77%	-33.99%	+27.22%
Max Drawdown (1Y) Largest decline over 1 year	-1.35%	-11.98%	+10.63%
Max Drawdown (5Y) Largest decline over 5 years	-6.70%	-24.52%	+17.82%
Max Drawdown (10Y) Largest decline over 10 years	-6.77%	-33.99%	+27.22%
Current Drawdown Current decline from peak	-0.37%	-6.29%	+5.92%
Average Drawdown Average peak-to-trough decline	-1.32%	-3.72%	+2.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.45%	2.52%	-2.07%

Volatility

STPZ vs. VOO - Volatility Comparison

The current volatility for PIMCO 1-5 Year US TIPS Index ETF (STPZ) is 0.72%, while Vanguard S&P 500 ETF (VOO) has a volatility of 5.29%. This indicates that STPZ experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STPZ	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.72%	5.29%	-4.57%
Volatility (6M) Calculated over the trailing 6-month period	1.21%	9.44%	-8.23%
Volatility (1Y) Calculated over the trailing 1-year period	2.38%	18.10%	-15.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.30%	16.82%	-13.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.98%	17.99%	-15.01%