VAIPX vs. FFNYX

Last updated Aug 4, 2026

VAIPX (Vanguard Inflation-Protected Securities Fund Admiral Shares) and FFNYX (Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund) are both Inflation-Protected Bonds funds - VAIPX 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. Their 0.71 correlation means they have sometimes moved together and sometimes differently. VAIPX charges 0.10%/yr vs 0.05%/yr for FFNYX.

Performance

VAIPX vs. FFNYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) 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

VAIPX

• 1D: -0.13%
• 1M: -0.53%
• 6M: 0.19%
• YTD: 0.41%
• 1Y: 1.81%
• 3Y*: 3.82%
• 5Y*: 0.26%
• 10Y*: 2.42%
• ALL TIME*: 2.93%

FFNYX

• 1D: 0.00%
• 1M: -0.99%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	$0.00	$0.00	$0.00
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares	$0.00	$0.00	$0.00

VAIPX vs. FFNYX - Yearly Performance Comparison

	2026 (YTD)
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares	-0.24%
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	-0.55%

Correlation

The correlation between VAIPX and FFNYX is 0.71, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 16, 2026	0.71

Return for Risk

VAIPX vs. FFNYX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

VAIPX

VAIPX Risk / Return Rank: 20
VAIPX Sharpe Ratio Rank: 18
VAIPX Sortino Ratio Rank: 18
VAIPX Omega Ratio Rank: 16
VAIPX Calmar Ratio Rank: 24
VAIPX Martin Ratio Rank: 22

FFNYX

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

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

VAIPX vs. FFNYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Inflation-Protected Securities Fund Admiral Shares (VAIPX) 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	VAIPX	FFNYX	Difference
Sharpe ratio: Return per unit of total volatility	0.75	—	—
Sortino ratio: Return per unit of downside risk	1.11	—	—
Omega ratio: Gain probability vs. loss probability	1.13	—	—
Calmar ratio: Return relative to maximum drawdown	1.21	—	—
Martin ratio: Return relative to average drawdown	3.40	—	—

Drawdowns

VAIPX vs. FFNYX - Drawdown Comparison

The maximum VAIPX drawdown since its inception was -15.04%, which is greater than FFNYX's maximum drawdown of -1.86%. Use the drawdown chart below to compare losses from any high point for VAIPX and FFNYX.

Drawdown Indicators

	VAIPX	FFNYX	Difference
Max Drawdown Largest peak-to-trough decline	-15.04%	-1.86%	-13.18%
Max Drawdown (1Y) Largest decline over 1 year	-2.05%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-3.83%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-14.40%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-14.40%	—	—
Current Drawdown Current decline from peak	-1.31%	-1.57%	+0.26%
Average Drawdown Average peak-to-trough decline	-3.79%	-0.49%	-3.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.73%	—	—

Volatility

Volatility by Period

	VAIPX	FFNYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.74%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.50%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.31%	2.93%	+0.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.97%	2.93%	+3.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.31%	2.93%	+2.38%

VAIPX vs. FFNYX - Expense Ratio Comparison

VAIPX has a 0.10% expense ratio, which is higher than FFNYX's 0.05% 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

VAIPX vs. FFNYX - Dividend Comparison

VAIPX's dividend yield for the trailing twelve months is around 5.08%, more than FFNYX's 0.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%	0.00%
VAIPX Vanguard Inflation-Protected Securities Fund Admiral Shares	5.08%	4.74%	4.17%	4.31%	8.45%	5.13%	1.38%	2.29%	3.12%	2.41%	3.49%	0.88%

Frequently Asked Questions

Can I hold both VAIPX and FFNYX in my portfolio?

VAIPX 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.