VUSB vs. GSY

Last updated Jun 9, 2026

VUSB (Vanguard Ultra-Short Bond ETF) and GSY (Invesco Ultra Short Duration ETF) are both Ultrashort Bond funds. Both are actively managed. Over the past 5 years, VUSB returned 3.42%/yr vs 3.65%/yr for GSY. A 0.62 correlation means they provide meaningful diversification when combined. VUSB charges 0.10%/yr vs 0.22%/yr for GSY.

Performance

VUSB vs. GSY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Ultra-Short Bond ETF (VUSB) and Invesco Ultra Short Duration ETF (GSY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VUSB achieves a 1.33% return, which is significantly lower than GSY's 1.61% return.

VUSB

• 1D: 0.02%
• 1M: 0.20%
• YTD: 1.33%
• 6M: 1.71%
• 1Y: 4.51%
• 3Y*: 5.34%
• 5Y*: 3.42%
• 10Y*: —

GSY

• 1D: 0.04%
• 1M: 0.28%
• YTD: 1.61%
• 6M: 1.94%
• 1Y: 4.52%
• 3Y*: 5.44%
• 5Y*: 3.65%
• 10Y*: 2.86%

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

VUSB vs. GSY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
VUSB Vanguard Ultra-Short Bond ETF	1.33%	5.20%	5.68%	5.52%	-0.36%	0.00%
GSY Invesco Ultra Short Duration ETF	1.61%	4.96%	5.95%	5.99%	0.01%	0.02%

Correlation

The correlation between VUSB and GSY is 0.55, 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	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.63
Correlation (All Time) Calculated using the full available price history since Apr 8, 2021	0.62

The correlation between VUSB and GSY shifts across timeframes, from 0.55 (1 year) to 0.66 (3 years), reflecting how their relationship changes across market environments.

VUSB vs. GSY - Sectors Allocation Comparison

Sectors	VUSB	GSY
Technology	0.2%	4.6%
Basic Materials	-	1.5%
Communication Services	-	2.2%
Consumer Cyclical	-	4.2%
Consumer Defensive	-	2.5%
Energy	-	2.9%
Financial Services	-	28.5%
Healthcare	-	2.9%
Industrials	-	2.4%
Real Estate	-	4.3%
Utilities	-	1.8%

Return for Risk

VUSB vs. GSY — Risk / Return Rank

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

VUSB

VUSB Risk / Return Rank: 99
VUSB Sharpe Ratio Rank: 99
VUSB Sortino Ratio Rank: 99
VUSB Omega Ratio Rank: 99
VUSB Calmar Ratio Rank: 98
VUSB Martin Ratio Rank: 98

GSY

GSY Risk / Return Rank: 100
GSY Sharpe Ratio Rank: 100
GSY Sortino Ratio Rank: 99
GSY Omega Ratio Rank: 99
GSY Calmar Ratio Rank: 100
GSY Martin Ratio Rank: 100

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.

VUSB vs. GSY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Ultra-Short Bond ETF (VUSB) and Invesco Ultra Short Duration ETF (GSY). 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.

	VUSB	GSY	Difference
Sharpe ratio: Return per unit of total volatility	6.95	11.26	-4.30
Sortino ratio: Return per unit of downside risk	12.58	27.35	-14.77
Omega ratio: Gain probability vs. loss probability	3.36	6.54	-3.18
Calmar ratio: Return relative to maximum drawdown	12.23	75.72	-63.48
Martin ratio: Return relative to average drawdown	70.50	373.96	-303.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VUSB vs. GSY - Sharpe Ratio Comparison

The current VUSB Sharpe Ratio is 6.95, which is lower than the GSY Sharpe Ratio of 11.26. The chart below compares the historical Sharpe Ratios of VUSB and GSY, 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

	VUSB	GSY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	6.95	11.26	-4.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	4.12	6.28	-2.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	2.35	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.06	0.46	+3.61

Drawdowns

VUSB vs. GSY - Drawdown Comparison

The maximum VUSB drawdown since its inception was -1.79%, smaller than the maximum GSY drawdown of -12.14%. Use the drawdown chart below to compare losses from any high point for VUSB and GSY.

Drawdown Indicators

	VUSB	GSY	Difference
Max Drawdown Largest peak-to-trough decline	-1.79%	-12.14%	+10.35%
Max Drawdown (1Y) Largest decline over 1 year	-0.37%	-0.06%	-0.31%
Max Drawdown (3Y) Largest decline over 3 years	-0.46%	-0.18%	-0.28%
Max Drawdown (5Y) Largest decline over 5 years	-1.79%	-1.48%	-0.31%
Max Drawdown (10Y) Largest decline over 10 years	—	-5.25%	—
Current Drawdown Current decline from peak	-0.08%	-0.02%	-0.06%
Average Drawdown Average peak-to-trough decline	-0.27%	-2.38%	+2.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.06%	0.01%	+0.05%

Volatility

VUSB vs. GSY - Volatility Comparison

Vanguard Ultra-Short Bond ETF (VUSB) has a higher volatility of 0.18% compared to Invesco Ultra Short Duration ETF (GSY) at 0.15%. This indicates that VUSB's price experiences larger fluctuations and is considered to be riskier than GSY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VUSB	GSY	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.18%	0.15%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	0.53%	0.30%	+0.23%
Volatility (1Y) Calculated over the trailing 1-year period	0.65%	0.40%	+0.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.83%	0.58%	+0.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.82%	1.22%	-0.40%

VUSB vs. GSY - Expense Ratio Comparison

VUSB has a 0.10% expense ratio, which is lower than GSY's 0.22% 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

VUSB vs. GSY - Dividend Comparison

VUSB's dividend yield for the trailing twelve months is around 4.39%, more than GSY's 4.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GSY Invesco Ultra Short Duration ETF	4.34%	4.56%	5.31%	4.95%	1.70%	0.58%	1.45%	2.71%	2.30%	1.80%	1.21%	1.17%
VUSB Vanguard Ultra-Short Bond ETF	4.39%	4.63%	5.16%	4.45%	1.56%	0.26%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both VUSB and GSY in my portfolio?

VUSB and GSY have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VUSB or GSY?

VUSB has higher volatility (0.18%) compared to GSY (0.15%). In terms of maximum drawdown, VUSB dropped -1.79% vs GSY's -12.14%.

Which ETF is better, VUSB or GSY?

On 5-year performance, GSY leads with 3.65% vs 3.42% for VUSB. On fees, VUSB is cheaper at 0.10% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, VUSB or GSY?

Over the 5-year period, GSY has performed better with a 3.65% return vs 3.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, VUSB or GSY?

VUSB is cheaper with a 0.10% expense ratio, compared with 0.22% for GSY.

Which ETF pays a higher dividend yield, VUSB or GSY?

VUSB has the higher dividend yield at 4.39%, compared with 4.34% for GSY.

What is the main difference between VUSB and GSY?

They also come from different issuers: Vanguard and Invesco. Their fees differ too: 0.10% for VUSB and 0.22% for GSY.

Which has better risk-adjusted returns?

GSY currently has the higher Sharpe Ratio (11.26 vs 6.95), 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.