FSPWX vs. FFNYX

Last updated Jun 4, 2026

FSPWX (Fidelity SAI Inflation-Protected Bond Index Fund) and FFNYX (Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund) are both Inflation-Protected Bonds funds from Fidelity - FSPWX tracks the Bloomberg U.S. Treasury Inflation Protected Securities Index while FFNYX tracks the Bloomberg US Treasury 0-5 Year TIPS Index. Both are passively managed. A 0.71 correlation means they provide meaningful diversification when combined. Both charge a 0.05% expense ratio.

Performance

FSPWX vs. FFNYX - Performance Comparison

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

Returns By Period

FSPWX

• 1D: 0.00%
• 1M: 0.20%
• YTD: 1.83%
• 6M: 1.35%
• 1Y: 5.38%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FFNYX

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

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

FSPWX vs. FFNYX - Yearly Performance Comparison

	2026 (YTD)
FSPWX Fidelity SAI Inflation-Protected Bond Index Fund	0.73%
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.93%

Correlation

The correlation between FSPWX and FFNYX is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 17, 2026	0.71

Return for Risk

FSPWX vs. FFNYX — Risk / Return Rank

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

FSPWX

FSPWX Risk / Return Rank: 36
FSPWX Sharpe Ratio Rank: 30
FSPWX Sortino Ratio Rank: 33
FSPWX Omega Ratio Rank: 30
FSPWX Calmar Ratio Rank: 49
FSPWX Martin Ratio Rank: 37

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.

FSPWX vs. FFNYX - Risk-Adjusted Trends Comparison

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

	FSPWX	FFNYX	Difference
Sharpe ratio: Return per unit of total volatility	1.56	—	—
Sortino ratio: Return per unit of downside risk	2.39	—	—
Omega ratio: Gain probability vs. loss probability	1.29	—	—
Calmar ratio: Return relative to maximum drawdown	2.67	—	—
Martin ratio: Return relative to average drawdown	8.19	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	FSPWX	FFNYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.56	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.00	2.37	-1.36

Drawdowns

FSPWX vs. FFNYX - Drawdown Comparison

The maximum FSPWX drawdown since its inception was -3.84%, which is greater than FFNYX's maximum drawdown of -0.69%. Use the drawdown chart below to compare losses from any high point for FSPWX and FFNYX.

Drawdown Indicators

	FSPWX	FFNYX	Difference
Max Drawdown Largest peak-to-trough decline	-3.84%	-0.69%	-3.15%
Max Drawdown (1Y) Largest decline over 1 year	-1.95%	—	—
Current Drawdown Current decline from peak	0.00%	-0.10%	+0.10%
Average Drawdown Average peak-to-trough decline	-0.98%	-0.18%	-0.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.64%	—	—

Volatility

Volatility by Period

	FSPWX	FFNYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.92%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.28%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.35%	1.89%	+1.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.06%	1.89%	+2.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.06%	1.89%	+2.17%

FSPWX vs. FFNYX - Expense Ratio Comparison

Both FSPWX and FFNYX have an expense ratio of 0.05%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

FSPWX vs. FFNYX - Dividend Comparison

FSPWX's dividend yield for the trailing twelve months is around 3.76%, more than FFNYX's 0.04% yield.

Position	TTM	2025	2024
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.04%	0.00%	0.00%
FSPWX Fidelity SAI Inflation-Protected Bond Index Fund	3.76%	4.19%	0.69%

Frequently Asked Questions

Can I hold both FSPWX and FFNYX in my portfolio?

FSPWX and FFNYX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.