PRAIX vs. FSTZX

Last updated Apr 1, 2026

Compare and contrast key facts about PIMCO Long-Term Real Return Fund (PRAIX) and Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund (FSTZX).

PRAIX is managed by PIMCO. It was launched on Nov 11, 2001. FSTZX is managed by Fidelity. It was launched on Jan 17, 2022.

Performance

PRAIX vs. FSTZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Long-Term Real Return Fund (PRAIX) and Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund (FSTZX). The values are adjusted to include any dividend payments, if applicable.

PRAIX vs. FSTZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PRAIX PIMCO Long-Term Real Return Fund	-1.89%	5.26%	-4.11%	0.14%	-33.83%	4.51%
FSTZX Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund	1.02%	5.99%	4.87%	4.67%	-2.83%	1.32%

Returns By Period

In the year-to-date period, PRAIX achieves a -1.89% return, which is significantly lower than FSTZX's 1.02% return.

PRAIX

• 1D: 1.62%
• 1M: -5.12%
• YTD: -1.89%
• 6M: -2.85%
• 1Y: -2.46%
• 3Y*: -1.99%
• 5Y*: -5.11%
• 10Y*: 0.87%

FSTZX

• 1D: 0.30%
• 1M: -0.00%
• YTD: 1.02%
• 6M: 1.30%
• 1Y: 3.95%
• 3Y*: 4.75%
• 5Y*: —
• 10Y*: —

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

PRAIX vs. FSTZX - Expense Ratio Comparison

PRAIX has a 0.50% expense ratio, which is higher than FSTZX's 0.00% expense ratio.

PRAIX

PIMCO Long-Term Real Return Fund

FSTZX

Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund

Return for Risk

PRAIX vs. FSTZX — Risk / Return Rank

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

PRAIX

PRAIX Risk / Return Rank: 5
PRAIX Sharpe Ratio Rank: 5
PRAIX Sortino Ratio Rank: 4
PRAIX Omega Ratio Rank: 4
PRAIX Calmar Ratio Rank: 7
PRAIX Martin Ratio Rank: 7

FSTZX

FSTZX Risk / Return Rank: 95
FSTZX Sharpe Ratio Rank: 93
FSTZX Sortino Ratio Rank: 95
FSTZX Omega Ratio Rank: 93
FSTZX Calmar Ratio Rank: 97
FSTZX Martin Ratio Rank: 96

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.

PRAIX vs. FSTZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Long-Term Real Return Fund (PRAIX) and Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund (FSTZX). 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.

	PRAIX	FSTZX	Difference
Sharpe ratio Return per unit of total volatility	-0.03	2.05	-2.08
Sortino ratio Return per unit of downside risk	0.04	3.11	-3.08
Omega ratio Gain probability vs. loss probability	1.00	1.45	-0.45
Calmar ratio Return relative to maximum drawdown	0.07	4.22	-4.15
Martin ratio Return relative to average drawdown	0.16	14.91	-14.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PRAIX vs. FSTZX - Sharpe Ratio Comparison

The current PRAIX Sharpe Ratio is -0.03, which is lower than the FSTZX Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of PRAIX and FSTZX, 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

	PRAIX	FSTZX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.03	2.05	-2.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.31	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.06	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	1.14	-0.78

Correlation

The correlation between PRAIX and FSTZX is 0.60, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

PRAIX vs. FSTZX - Dividend Comparison

PRAIX's dividend yield for the trailing twelve months is around 4.63%, more than FSTZX's 3.98% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRAIX PIMCO Long-Term Real Return Fund	4.63%	5.72%	4.64%	4.75%	12.40%	15.85%	37.88%	7.20%	3.06%	2.76%	1.54%	2.05%
FSTZX Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund	3.98%	4.02%	2.78%	2.54%	5.25%	0.82%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

PRAIX vs. FSTZX - Drawdown Comparison

The maximum PRAIX drawdown since its inception was -43.52%, which is greater than FSTZX's maximum drawdown of -5.30%. Use the drawdown chart below to compare losses from any high point for PRAIX and FSTZX.

Drawdown Indicators

	PRAIX	FSTZX	Difference
Max Drawdown Largest peak-to-trough decline	-43.52%	-5.30%	-38.22%
Max Drawdown (1Y) Largest decline over 1 year	-8.28%	-1.03%	-7.25%
Max Drawdown (5Y) Largest decline over 5 years	-43.52%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-43.52%	—	—
Current Drawdown Current decline from peak	-35.44%	-0.30%	-35.14%
Average Drawdown Average peak-to-trough decline	-10.08%	-1.13%	-8.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.93%	0.29%	+3.64%

Volatility

PRAIX vs. FSTZX - Volatility Comparison

PIMCO Long-Term Real Return Fund (PRAIX) has a higher volatility of 4.27% compared to Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund (FSTZX) at 0.58%. This indicates that PRAIX's price experiences larger fluctuations and is considered to be riskier than FSTZX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRAIX	FSTZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.27%	0.58%	+3.69%
Volatility (6M) Calculated over the trailing 6-month period	6.72%	1.07%	+5.65%
Volatility (1Y) Calculated over the trailing 1-year period	12.04%	1.99%	+10.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.34%	2.83%	+13.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.96%	2.83%	+12.13%