BNDW vs. VIPSX

Last updated Jun 4, 2026

BNDW (Vanguard Total World Bond ETF) and VIPSX (Vanguard Inflation-Protected Securities Fund Investor Shares) are both funds - BNDW is a Global Bonds fund tracking the Bloomberg Global Aggregate Float Adjusted Composite Index, while VIPSX is a Inflation-Protected Bonds fund managed by Vanguard. Over the past 5 years, BNDW returned 0.22%/yr vs 1.07%/yr for VIPSX. A 0.76 correlation means they provide meaningful diversification when combined. BNDW charges 0.05%/yr vs 0.20%/yr for VIPSX.

Performance

BNDW vs. VIPSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total World Bond ETF (BNDW) and Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BNDW achieves a 0.42% return, which is significantly lower than VIPSX's 1.59% return.

BNDW

• 1D: -0.26%
• 1M: 0.44%
• YTD: 0.42%
• 6M: 0.18%
• 1Y: 3.51%
• 3Y*: 3.99%
• 5Y*: 0.22%
• 10Y*: —

VIPSX

• 1D: 0.00%
• 1M: 0.08%
• YTD: 1.59%
• 6M: 1.20%
• 1Y: 5.19%
• 3Y*: 3.93%
• 5Y*: 1.07%
• 10Y*: 2.54%

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

BNDW vs. VIPSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
BNDW Vanguard Total World Bond ETF	0.42%	5.02%	2.42%	7.18%	-12.88%	-2.10%	6.22%	8.37%	1.21%
VIPSX Vanguard Inflation-Protected Securities Fund Investor Shares	1.59%	6.77%	1.74%	3.73%	-12.04%	5.57%	10.90%	8.06%	-1.31%

Correlation

The correlation between BNDW and VIPSX is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (All Time) Calculated using the full available price history since Sep 7, 2018	0.76

The correlation between BNDW and VIPSX shifts across timeframes, from 0.76 (all time) to 0.86 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

BNDW vs. VIPSX — Risk / Return Rank

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

BNDW

BNDW Risk / Return Rank: 27
BNDW Sharpe Ratio Rank: 28
BNDW Sortino Ratio Rank: 27
BNDW Omega Ratio Rank: 26
BNDW Calmar Ratio Rank: 27
BNDW Martin Ratio Rank: 26

VIPSX

VIPSX Risk / Return Rank: 32
VIPSX Sharpe Ratio Rank: 27
VIPSX Sortino Ratio Rank: 29
VIPSX Omega Ratio Rank: 25
VIPSX Calmar Ratio Rank: 43
VIPSX Martin Ratio Rank: 34

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.

BNDW vs. VIPSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total World Bond ETF (BNDW) and Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX). 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.

	BNDW	VIPSX	Difference
Sharpe ratio: Return per unit of total volatility	1.05	1.48	-0.44
Sortino ratio: Return per unit of downside risk	1.50	2.23	-0.73
Omega ratio: Gain probability vs. loss probability	1.18	1.26	-0.08
Calmar ratio: Return relative to maximum drawdown	1.31	2.50	-1.19
Martin ratio: Return relative to average drawdown	3.70	7.64	-3.95
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BNDW vs. VIPSX - Sharpe Ratio Comparison

The current BNDW Sharpe Ratio is 1.05, which is comparable to the VIPSX Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of BNDW and VIPSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BNDW	VIPSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.05	1.48	-0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	0.18	-0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.48	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.76	-0.39

Drawdowns

BNDW vs. VIPSX - Drawdown Comparison

The maximum BNDW drawdown since its inception was -17.22%, which is greater than VIPSX's maximum drawdown of -15.13%. Use the drawdown chart below to compare losses from any high point for BNDW and VIPSX.

Drawdown Indicators

	BNDW	VIPSX	Difference
Max Drawdown Largest peak-to-trough decline	-17.22%	-15.13%	-2.09%
Max Drawdown (1Y) Largest decline over 1 year	-2.70%	-2.02%	-0.68%
Max Drawdown (3Y) Largest decline over 3 years	-4.27%	-4.57%	+0.30%
Max Drawdown (5Y) Largest decline over 5 years	-16.93%	-14.55%	-2.38%
Max Drawdown (10Y) Largest decline over 10 years	—	-14.55%	—
Current Drawdown Current decline from peak	-1.53%	-0.11%	-1.42%
Average Drawdown Average peak-to-trough decline	-4.98%	-3.24%	-1.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.95%	0.66%	+0.29%

Volatility

BNDW vs. VIPSX - Volatility Comparison

Vanguard Total World Bond ETF (BNDW) has a higher volatility of 1.31% compared to Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX) at 1.01%. This indicates that BNDW's price experiences larger fluctuations and is considered to be riskier than VIPSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BNDW	VIPSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.31%	1.01%	+0.30%
Volatility (6M) Calculated over the trailing 6-month period	2.62%	2.35%	+0.27%
Volatility (1Y) Calculated over the trailing 1-year period	3.36%	3.40%	-0.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.21%	5.99%	-0.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.90%	5.33%	-0.43%

BNDW vs. VIPSX - Expense Ratio Comparison

BNDW has a 0.05% expense ratio, which is lower than VIPSX's 0.20% 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

BNDW vs. VIPSX - Dividend Comparison

BNDW's dividend yield for the trailing twelve months is around 4.21%, less than VIPSX's 4.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BNDW Vanguard Total World Bond ETF	4.21%	4.12%	3.90%	3.73%	2.02%	2.58%	1.56%	3.05%	1.66%	0.00%	0.00%	0.00%
VIPSX Vanguard Inflation-Protected Securities Fund Investor Shares	4.39%	4.64%	4.07%	4.20%	8.34%	5.03%	1.28%	2.22%	3.03%	2.32%	3.38%	0.77%

Frequently Asked Questions

Can I hold both BNDW and VIPSX in my portfolio?

BNDW and VIPSX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BNDW or VIPSX?

BNDW has higher volatility (1.31%) compared to VIPSX (1.01%). In terms of maximum drawdown, BNDW dropped -17.22% vs VIPSX's -15.13%.

Which has better risk-adjusted returns?

VIPSX currently has the higher Sharpe Ratio (1.48 vs 1.05), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.