VSDM vs. VSDB

Last updated Jun 24, 2026

VSDM (Vanguard Short Duration Tax-Exempt Bond ETF) and VSDB (Vanguard Short Duration Bond ETF Shares) are both exchange-traded funds - VSDM is a Municipal Bonds fund actively managed by Vanguard, while VSDB is a Short-Term Bond fund actively managed by Vanguard. Both are actively managed. Over the past year, VSDM returned 4.47% vs 4.63% for VSDB. A 0.51 correlation means they provide meaningful diversification when combined. VSDM charges 0.12%/yr vs 0.15%/yr for VSDB.

Performance

VSDM vs. VSDB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Short Duration Tax-Exempt Bond ETF (VSDM) and Vanguard Short Duration Bond ETF Shares (VSDB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VSDM achieves a 1.37% return, which is significantly higher than VSDB's 0.98% return.

VSDM

• 1D: 0.00%
• 1M: 0.75%
• YTD: 1.37%
• 6M: 1.53%
• 1Y: 4.47%
• 3Y*: —
• 5Y*: —
• 10Y*: —

VSDB

• 1D: 0.03%
• 1M: 0.33%
• YTD: 0.98%
• 6M: 1.21%
• 1Y: 4.63%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

VSDM vs. VSDB - Yearly Performance Comparison

	2026 (YTD)	2025
VSDM Vanguard Short Duration Tax-Exempt Bond ETF	1.37%	3.94%
VSDB Vanguard Short Duration Bond ETF Shares	0.98%	4.88%

Correlation

The correlation between VSDM and VSDB is 0.51, 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	0.51
Correlation (All Time) Calculated using the full available price history since Apr 3, 2025	0.51

The correlation between VSDM and VSDB has been stable across timeframes, ranging from 0.51 to 0.51 - a consistent structural relationship.

Return for Risk

VSDM vs. VSDB — Risk / Return Rank

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

VSDM

VSDM Risk / Return Rank: 82
VSDM Sharpe Ratio Rank: 94
VSDM Sortino Ratio Rank: 95
VSDM Omega Ratio Rank: 96
VSDM Calmar Ratio Rank: 65
VSDM Martin Ratio Rank: 62

VSDB

VSDB Risk / Return Rank: 83
VSDB Sharpe Ratio Rank: 87
VSDB Sortino Ratio Rank: 92
VSDB Omega Ratio Rank: 90
VSDB Calmar Ratio Rank: 69
VSDB Martin Ratio Rank: 78

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.

VSDM vs. VSDB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Short Duration Tax-Exempt Bond ETF (VSDM) and Vanguard Short Duration Bond ETF Shares (VSDB). 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.

	VSDM	VSDB	Difference
Sharpe ratio: Return per unit of total volatility	3.32	2.67	+0.64
Sortino ratio: Return per unit of downside risk	4.80	4.15	+0.66
Omega ratio: Gain probability vs. loss probability	1.82	1.55	+0.27
Calmar ratio: Return relative to maximum drawdown	3.07	3.26	-0.19
Martin ratio: Return relative to average drawdown	10.72	14.27	-3.55

VSDM vs. VSDB - Sharpe Ratio Comparison

The current VSDM Sharpe Ratio is 3.32, which is comparable to the VSDB Sharpe Ratio of 2.67. The chart below compares the historical Sharpe Ratios of VSDM and VSDB, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

VSDM vs. VSDB - Drawdown Comparison

The maximum VSDM drawdown since its inception was -1.81%, which is greater than VSDB's maximum drawdown of -1.42%. Use the drawdown chart below to compare losses from any high point for VSDM and VSDB.

Drawdown Indicators

	VSDM	VSDB	Difference
Max Drawdown Largest peak-to-trough decline	-1.81%	-1.42%	-0.39%
Max Drawdown (1Y) Largest decline over 1 year	-1.46%	-1.42%	-0.04%
Current Drawdown Current decline from peak	-0.19%	-0.24%	+0.05%
Average Drawdown Average peak-to-trough decline	-0.32%	-0.19%	-0.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.42%	0.32%	+0.10%

Volatility

VSDM vs. VSDB - Volatility Comparison

The current volatility for Vanguard Short Duration Tax-Exempt Bond ETF (VSDM) is 0.32%, while Vanguard Short Duration Bond ETF Shares (VSDB) has a volatility of 0.52%. This indicates that VSDM experiences smaller price fluctuations and is considered to be less risky than VSDB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VSDM	VSDB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.32%	0.52%	-0.20%
Volatility (6M) Calculated over the trailing 6-month period	1.07%	1.39%	-0.32%
Volatility (1Y) Calculated over the trailing 1-year period	1.36%	1.74%	-0.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.92%	1.90%	+0.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.92%	1.90%	+0.02%

VSDM vs. VSDB - Expense Ratio Comparison

VSDM has a 0.12% expense ratio, which is lower than VSDB's 0.15% 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

VSDM vs. VSDB - Dividend Comparison

VSDM's dividend yield for the trailing twelve months is around 3.10%, less than VSDB's 4.16% yield.

Position	TTM	2025	2024
VSDB Vanguard Short Duration Bond ETF Shares	4.16%	3.30%	0.00%
VSDM Vanguard Short Duration Tax-Exempt Bond ETF	3.10%	3.06%	0.35%

Frequently Asked Questions

Can I hold both VSDM and VSDB in my portfolio?

VSDM and VSDB have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VSDM or VSDB?

VSDB has higher volatility (0.52%) compared to VSDM (0.32%). In terms of maximum drawdown, VSDM dropped -1.81% vs VSDB's -1.42%.

Which ETF is better, VSDM or VSDB?

On 1-year performance, VSDB leads with 4.63% vs 4.47% for VSDM. On fees, VSDM is cheaper at 0.12% per year. On volatility, VSDM has been the lower-risk option at 0.32%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, VSDM or VSDB?

Over the 1-year period, VSDB has performed better with a 4.63% return vs 4.47%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, VSDM or VSDB?

VSDM is cheaper with a 0.12% expense ratio, compared with 0.15% for VSDB.

Which ETF pays a higher dividend yield, VSDM or VSDB?

VSDB has the higher dividend yield at 4.16%, compared with 3.10% for VSDM.

What is the main difference between VSDM and VSDB?

VSDM is categorized as Municipal Bonds, while VSDB is Short-Term Bond. Their fees differ too: 0.12% for VSDM and 0.15% for VSDB.

Which has better risk-adjusted returns?

VSDM currently has the higher Sharpe Ratio (3.32 vs 2.67), 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.