VIPIX vs. VTIPX

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Investor Shares (VTIPX).

VIPIX is managed by Vanguard. It was launched on Dec 12, 2003. VTIPX is managed by Vanguard. It was launched on Oct 16, 2012.

Performance

VIPIX vs. VTIPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Investor Shares (VTIPX). The values are adjusted to include any dividend payments, if applicable.

VIPIX vs. VTIPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VIPIX Vanguard Inflation-Protected Securities Fund Institutional Shares	0.32%	6.98%	1.85%	3.85%	-11.93%	5.73%	11.05%	8.18%	-1.40%	2.97%
VTIPX Vanguard Short-Term Inflation-Protected Securities Index Fund Investor Shares	0.93%	5.96%	4.65%	4.51%	-2.93%	5.21%	4.85%	4.74%	0.49%	0.72%

Returns By Period

In the year-to-date period, VIPIX achieves a 0.32% return, which is significantly lower than VTIPX's 0.93% return. Over the past 10 years, VIPIX has underperformed VTIPX with an annualized return of 2.58%, while VTIPX has yielded a comparatively higher 2.97% annualized return.

VIPIX

• 1D: 0.64%
• 1M: -1.37%
• YTD: 0.32%
• 6M: 0.46%
• 1Y: 2.99%
• 3Y*: 3.12%
• 5Y*: 1.40%
• 10Y*: 2.58%

VTIPX

• 1D: 0.28%
• 1M: 0.04%
• YTD: 0.93%
• 6M: 1.25%
• 1Y: 3.76%
• 3Y*: 4.58%
• 5Y*: 3.40%
• 10Y*: 2.97%

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

VIPIX vs. VTIPX - Expense Ratio Comparison

VIPIX has a 0.07% expense ratio, which is lower than VTIPX's 0.14% 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%.

VTIPX

Vanguard Short-Term Inflation-Protected Securities Index Fund Investor Shares

VIPIX

Vanguard Inflation-Protected Securities Fund Institutional Shares

Return for Risk

VIPIX vs. VTIPX — Risk / Return Rank

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

VIPIX

VIPIX Risk / Return Rank: 43
VIPIX Sharpe Ratio Rank: 41
VIPIX Sortino Ratio Rank: 37
VIPIX Omega Ratio Rank: 30
VIPIX Calmar Ratio Rank: 63
VIPIX Martin Ratio Rank: 42

VTIPX

VTIPX Risk / Return Rank: 95
VTIPX Sharpe Ratio Rank: 95
VTIPX Sortino Ratio Rank: 96
VTIPX Omega Ratio Rank: 94
VTIPX Calmar Ratio Rank: 98
VTIPX 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.

VIPIX vs. VTIPX - Risk-Adjusted Trends Comparison

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

	VIPIX	VTIPX	Difference
Sharpe ratio Return per unit of total volatility	0.84	2.19	-1.35
Sortino ratio Return per unit of downside risk	1.18	3.29	-2.11
Omega ratio Gain probability vs. loss probability	1.15	1.47	-0.32
Calmar ratio Return relative to maximum drawdown	1.43	4.39	-2.96
Martin ratio Return relative to average drawdown	4.28	14.13	-9.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VIPIX vs. VTIPX - Sharpe Ratio Comparison

The current VIPIX Sharpe Ratio is 0.84, which is lower than the VTIPX Sharpe Ratio of 2.19. The chart below compares the historical Sharpe Ratios of VIPIX and VTIPX, 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

	VIPIX	VTIPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.84	2.19	-1.35
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.23	1.28	-1.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	1.34	-0.86
Sharpe Ratio (All Time) Calculated using the full available price history	0.61	1.00	-0.39

Correlation

The correlation between VIPIX and VTIPX is 0.80, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

VIPIX vs. VTIPX - Dividend Comparison

VIPIX's dividend yield for the trailing twelve months is around 4.48%, more than VTIPX's 3.50% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIPIX Vanguard Inflation-Protected Securities Fund Institutional Shares	4.48%	4.77%	4.20%	4.34%	8.49%	5.16%	1.41%	2.32%	3.15%	2.45%	3.50%	0.91%
VTIPX Vanguard Short-Term Inflation-Protected Securities Index Fund Investor Shares	3.50%	3.70%	2.60%	2.76%	6.74%	4.59%	1.11%	1.88%	2.37%	1.50%	0.55%	0.00%

Drawdowns

VIPIX vs. VTIPX - Drawdown Comparison

The maximum VIPIX drawdown since its inception was -15.04%, which is greater than VTIPX's maximum drawdown of -5.36%. Use the drawdown chart below to compare losses from any high point for VIPIX and VTIPX.

Drawdown Indicators

	VIPIX	VTIPX	Difference
Max Drawdown Largest peak-to-trough decline	-15.04%	-5.36%	-9.68%
Max Drawdown (1Y) Largest decline over 1 year	-2.82%	-0.95%	-1.87%
Max Drawdown (5Y) Largest decline over 5 years	-14.33%	-5.36%	-8.97%
Max Drawdown (10Y) Largest decline over 10 years	-14.33%	-5.36%	-8.97%
Current Drawdown Current decline from peak	-1.37%	-0.32%	-1.05%
Average Drawdown Average peak-to-trough decline	-3.38%	-1.13%	-2.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.94%	0.30%	+0.64%

Volatility

VIPIX vs. VTIPX - Volatility Comparison

Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) has a higher volatility of 1.46% compared to Vanguard Short-Term Inflation-Protected Securities Index Fund Investor Shares (VTIPX) at 0.62%. This indicates that VIPIX's price experiences larger fluctuations and is considered to be riskier than VTIPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIPIX	VTIPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.46%	0.62%	+0.84%
Volatility (6M) Calculated over the trailing 6-month period	2.39%	0.96%	+1.43%
Volatility (1Y) Calculated over the trailing 1-year period	4.17%	1.81%	+2.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.03%	2.66%	+3.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.38%	2.22%	+3.16%