FFNYX vs. FSTZX

Last updated Jun 5, 2026

FFNYX (Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund) and FSTZX (Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund) are both Inflation-Protected Bonds funds from Fidelity. Their correlation of 0.92 suggests significant overlap in exposure. FFNYX charges 0.05%/yr vs 0.00%/yr for FSTZX.

Performance

FFNYX vs. FSTZX - Performance Comparison

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

Returns By Period

FFNYX

• 1D: 0.00%
• 1M: 0.10%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

FSTZX

• 1D: 0.00%
• 1M: 0.20%
• YTD: 2.09%
• 6M: 2.02%
• 1Y: 4.56%
• 3Y*: 5.30%
• 5Y*: —
• 10Y*: —

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

FFNYX vs. FSTZX - Yearly Performance Comparison

	2026 (YTD)
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.93%
FSTZX Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund	0.97%

Correlation

The correlation between FFNYX and FSTZX is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 17, 2026	0.92

Return for Risk

FFNYX vs. FSTZX — Risk / Return Rank

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

FSTZX

FSTZX Risk / Return Rank: 92
FSTZX Sharpe Ratio Rank: 87
FSTZX Sortino Ratio Rank: 92
FSTZX Omega Ratio Rank: 89
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.

FFNYX vs. FSTZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund (FFNYX) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	FFNYX	FSTZX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.86	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.34	1.20	+1.15

Drawdowns

FFNYX vs. FSTZX - Drawdown Comparison

The maximum FFNYX drawdown since its inception was -0.69%, smaller than the maximum FSTZX drawdown of -5.30%. Use the drawdown chart below to compare losses from any high point for FFNYX and FSTZX.

Drawdown Indicators

	FFNYX	FSTZX	Difference
Max Drawdown Largest peak-to-trough decline	-0.69%	-5.30%	+4.61%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.70%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-1.03%	—
Current Drawdown Current decline from peak	-0.10%	0.00%	-0.10%
Average Drawdown Average peak-to-trough decline	-0.18%	-1.09%	+0.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.19%	—

Volatility

Volatility by Period

	FFNYX	FSTZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.50%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.09%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.87%	1.64%	+0.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.87%	2.79%	-0.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.87%	2.79%	-0.92%

FFNYX vs. FSTZX - Expense Ratio Comparison

FFNYX has a 0.05% expense ratio, which is higher than FSTZX's 0.00% 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%.

Dividends

FFNYX vs. FSTZX - Dividend Comparison

FFNYX's dividend yield for the trailing twelve months is around 0.04%, less than FSTZX's 3.64% yield.

Position	TTM	2025	2024	2023	2022	2021
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.04%	0.00%	0.00%	0.00%	0.00%	0.00%
FSTZX Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund	3.64%	4.02%	2.78%	2.54%	5.25%	0.82%

Frequently Asked Questions

Can I hold both FFNYX and FSTZX in my portfolio?

With a correlation of 0.92, FFNYX and FSTZX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.