GSY vs. VUSB

Last updated Jun 9, 2026

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

Performance

GSY vs. VUSB - Performance Comparison

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

Returns By Period

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

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%

VUSB

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

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

GSY vs. VUSB - Yearly Performance Comparison

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

Correlation

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

GSY vs. VUSB - Sectors Allocation Comparison

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

Return for Risk

GSY vs. VUSB — Risk / Return Rank

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

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

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

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.

GSY vs. VUSB - Risk-Adjusted Trends Comparison

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

	GSY	VUSB	Difference
Sharpe ratio: Return per unit of total volatility	11.26	6.95	+4.30
Sortino ratio: Return per unit of downside risk	27.35	12.58	+14.77
Omega ratio: Gain probability vs. loss probability	6.54	3.36	+3.18
Calmar ratio: Return relative to maximum drawdown	75.72	12.23	+63.48
Martin ratio: Return relative to average drawdown	373.96	70.50	+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.

GSY vs. VUSB - Sharpe Ratio Comparison

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

	GSY	VUSB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	11.26	6.95	+4.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	6.28	4.12	+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	0.46	4.06	-3.61

Drawdowns

GSY vs. VUSB - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

GSY vs. VUSB - Volatility Comparison

The current volatility for Invesco Ultra Short Duration ETF (GSY) is 0.15%, while Vanguard Ultra-Short Bond ETF (VUSB) has a volatility of 0.18%. This indicates that GSY experiences smaller price fluctuations and is considered to be less risky than VUSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

GSY vs. VUSB - Expense Ratio Comparison

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

GSY vs. VUSB - Dividend Comparison

GSY's dividend yield for the trailing twelve months is around 4.34%, less than VUSB's 4.39% 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 GSY and VUSB in my portfolio?

GSY and VUSB 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, GSY or VUSB?

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

Which ETF is better, GSY or VUSB?

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, GSY or VUSB?

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, GSY or VUSB?

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

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

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

What is the main difference between GSY and VUSB?

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

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.