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ZROZ vs. SPY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between ZROZ and SPY is -0.26. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.


Performance

ZROZ vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) and SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

0.00%100.00%200.00%300.00%400.00%500.00%600.00%700.00%December2025FebruaryMarchAprilMay
41.81%
614.55%
ZROZ
SPY

Key characteristics

Sharpe Ratio

ZROZ:

-0.27

SPY:

0.50

Sortino Ratio

ZROZ:

-0.24

SPY:

0.88

Omega Ratio

ZROZ:

0.97

SPY:

1.13

Calmar Ratio

ZROZ:

-0.11

SPY:

0.56

Martin Ratio

ZROZ:

-0.51

SPY:

2.17

Ulcer Index

ZROZ:

12.87%

SPY:

4.85%

Daily Std Dev

ZROZ:

23.26%

SPY:

20.02%

Max Drawdown

ZROZ:

-62.93%

SPY:

-55.19%

Current Drawdown

ZROZ:

-59.84%

SPY:

-7.65%

Returns By Period

In the year-to-date period, ZROZ achieves a -2.72% return, which is significantly higher than SPY's -3.42% return. Over the past 10 years, ZROZ has underperformed SPY with an annualized return of -2.31%, while SPY has yielded a comparatively higher 12.35% annualized return.


ZROZ

YTD

-2.72%

1M

-3.94%

6M

-10.87%

1Y

-6.22%

5Y*

-15.26%

10Y*

-2.31%

SPY

YTD

-3.42%

1M

2.87%

6M

-5.06%

1Y

9.87%

5Y*

15.76%

10Y*

12.35%

*Annualized

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ZROZ vs. SPY - Expense Ratio Comparison

ZROZ has a 0.15% expense ratio, which is higher than SPY's 0.09% 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%.


Risk-Adjusted Performance

ZROZ vs. SPY — Risk-Adjusted Performance Rank

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

ZROZ
The Risk-Adjusted Performance Rank of ZROZ is 1111
Overall Rank
The Sharpe Ratio Rank of ZROZ is 1010
Sharpe Ratio Rank
The Sortino Ratio Rank of ZROZ is 1010
Sortino Ratio Rank
The Omega Ratio Rank of ZROZ is 1010
Omega Ratio Rank
The Calmar Ratio Rank of ZROZ is 1313
Calmar Ratio Rank
The Martin Ratio Rank of ZROZ is 1111
Martin Ratio Rank

SPY
The Risk-Adjusted Performance Rank of SPY is 6262
Overall Rank
The Sharpe Ratio Rank of SPY is 5656
Sharpe Ratio Rank
The Sortino Ratio Rank of SPY is 6161
Sortino Ratio Rank
The Omega Ratio Rank of SPY is 6464
Omega Ratio Rank
The Calmar Ratio Rank of SPY is 6666
Calmar Ratio Rank
The Martin Ratio Rank of SPY is 6464
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

ZROZ vs. SPY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) and SPDR S&P 500 ETF (SPY). 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.


The current ZROZ Sharpe Ratio is -0.27, which is lower than the SPY Sharpe Ratio of 0.50. The chart below compares the historical Sharpe Ratios of ZROZ and SPY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio-1.000.001.002.003.00December2025FebruaryMarchAprilMay
-0.27
0.50
ZROZ
SPY

Dividends

ZROZ vs. SPY - Dividend Comparison

ZROZ's dividend yield for the trailing twelve months is around 4.77%, more than SPY's 1.27% yield.


TTM20242023202220212020201920182017201620152014
ZROZ
PIMCO 25+ Year Zero Coupon US Treasury Index Fund
4.77%4.58%3.52%2.76%1.60%1.68%2.22%2.91%2.53%3.00%2.98%2.00%
SPY
SPDR S&P 500 ETF
1.27%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%1.87%

Drawdowns

ZROZ vs. SPY - Drawdown Comparison

The maximum ZROZ drawdown since its inception was -62.93%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for ZROZ and SPY. For additional features, visit the drawdowns tool.


-60.00%-50.00%-40.00%-30.00%-20.00%-10.00%0.00%December2025FebruaryMarchAprilMay
-59.84%
-7.65%
ZROZ
SPY

Volatility

ZROZ vs. SPY - Volatility Comparison

PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) and SPDR S&P 500 ETF (SPY) have volatilities of 7.78% and 7.48%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


0.00%5.00%10.00%15.00%December2025FebruaryMarchAprilMay
7.78%
7.48%
ZROZ
SPY