VTSPX vs. FFNYX

Last updated Jun 5, 2026

VTSPX (Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares) and FFNYX (Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund) are both Inflation-Protected Bonds funds. With a 0.95 correlation, they move nearly in lockstep. VTSPX charges 0.04%/yr vs 0.05%/yr for FFNYX.

Performance

VTSPX vs. FFNYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) 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

VTSPX

• 1D: 0.00%
• 1M: 0.16%
• YTD: 2.06%
• 6M: 2.05%
• 1Y: 4.64%
• 3Y*: 5.26%
• 5Y*: 3.38%
• 10Y*: 3.16%

FFNYX

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

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

VTSPX vs. FFNYX - Yearly Performance Comparison

	2026 (YTD)
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares	1.00%
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.93%

Correlation

The correlation between VTSPX and FFNYX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 17, 2026	0.96

Return for Risk

VTSPX vs. FFNYX — Risk / Return Rank

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

VTSPX

VTSPX Risk / Return Rank: 94
VTSPX Sharpe Ratio Rank: 92
VTSPX Sortino Ratio Rank: 96
VTSPX Omega Ratio Rank: 91
VTSPX Calmar Ratio Rank: 96
VTSPX Martin Ratio Rank: 97

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.

VTSPX vs. FFNYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) 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.

	VTSPX	FFNYX	Difference
Sharpe ratio: Return per unit of total volatility	3.12	—	—
Sortino ratio: Return per unit of downside risk	5.30	—	—
Omega ratio: Gain probability vs. loss probability	1.69	—	—
Calmar ratio: Return relative to maximum drawdown	6.61	—	—
Martin ratio: Return relative to average drawdown	26.00	—	—
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

	VTSPX	FFNYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.12	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.27	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.42	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.08	2.34	-1.26

Drawdowns

VTSPX vs. FFNYX - Drawdown Comparison

The maximum VTSPX drawdown since its inception was -5.35%, which is greater than FFNYX's maximum drawdown of -0.69%. Use the drawdown chart below to compare losses from any high point for VTSPX and FFNYX.

Drawdown Indicators

	VTSPX	FFNYX	Difference
Max Drawdown Largest peak-to-trough decline	-5.35%	-0.69%	-4.66%
Max Drawdown (1Y) Largest decline over 1 year	-0.72%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-0.92%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-5.35%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-5.35%	—	—
Current Drawdown Current decline from peak	-0.04%	-0.10%	+0.06%
Average Drawdown Average peak-to-trough decline	-1.01%	-0.18%	-0.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.18%	—	—

Volatility

Volatility by Period

	VTSPX	FFNYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.56%	—	—
Volatility (6M) Calculated over the trailing 6-month period	1.12%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	1.52%	1.87%	-0.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.67%	1.87%	+0.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.23%	1.87%	+0.36%

VTSPX vs. FFNYX - Expense Ratio Comparison

VTSPX has a 0.04% expense ratio, which is lower than FFNYX's 0.05% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

VTSPX vs. FFNYX - Dividend Comparison

VTSPX's dividend yield for the trailing twelve months is around 3.59%, more than FFNYX's 0.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.04%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares	3.59%	3.81%	2.70%	2.86%	6.84%	4.69%	1.21%	1.96%	2.47%	1.52%	0.80%

Frequently Asked Questions

Can I hold both VTSPX and FFNYX in my portfolio?

With a correlation of 0.95, VTSPX and FFNYX 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.