BILZ vs. GSY

Last updated Jun 4, 2026

BILZ (PIMCO Ultra Short Government Active Exchange-Traded Fund) and GSY (Invesco Ultra Short Duration ETF) are both Ultrashort Bond funds. Both are actively managed. Over the past year, BILZ returned 3.91% vs 4.54% for GSY. At a 0.20 correlation, their price movements are largely independent. BILZ charges 0.14%/yr vs 0.22%/yr for GSY.

Performance

BILZ vs. GSY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Ultra Short Government Active Exchange-Traded Fund (BILZ) 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, BILZ achieves a 1.47% return, which is significantly lower than GSY's 1.59% return.

BILZ

• 1D: 0.00%
• 1M: 0.28%
• YTD: 1.47%
• 6M: 1.76%
• 1Y: 3.91%
• 3Y*: —
• 5Y*: —
• 10Y*: —

GSY

• 1D: 0.00%
• 1M: 0.36%
• YTD: 1.59%
• 6M: 1.96%
• 1Y: 4.54%
• 3Y*: 5.45%
• 5Y*: 3.65%
• 10Y*: 2.86%

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

BILZ vs. GSY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
BILZ PIMCO Ultra Short Government Active Exchange-Traded Fund	1.47%	4.21%	5.25%	2.33%
GSY Invesco Ultra Short Duration ETF	1.59%	4.96%	5.95%	3.57%

Correlation

The correlation between BILZ and GSY is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.20
Correlation (All Time) Calculated using the full available price history since Jun 23, 2023	0.20

Return for Risk

BILZ vs. GSY — Risk / Return Rank

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

BILZ

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

GSY

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

BILZ vs. GSY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Ultra Short Government Active Exchange-Traded Fund (BILZ) 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.

	BILZ	GSY	Difference
Sharpe ratio Return per unit of total volatility	19.09	11.52	+7.57
Sortino ratio Return per unit of downside risk	125.25	29.56	+95.69
Omega ratio Gain probability vs. loss probability	53.31	7.01	+46.30
Calmar ratio Return relative to maximum drawdown	198.55	76.07	+122.48
Martin ratio Return relative to average drawdown	2,000.92	397.70	+1,603.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BILZ vs. GSY - Sharpe Ratio Comparison

The current BILZ Sharpe Ratio is 19.09, which is higher than the GSY Sharpe Ratio of 11.52. The chart below compares the historical Sharpe Ratios of BILZ 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

	BILZ	GSY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	19.09	11.52	+7.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	6.29	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	2.35	—
Sharpe Ratio (All Time) Calculated using the full available price history	10.48	0.46	+10.02

Drawdowns

BILZ vs. GSY - Drawdown Comparison

The maximum BILZ drawdown since its inception was -0.52%, smaller than the maximum GSY drawdown of -12.14%. Use the drawdown chart below to compare losses from any high point for BILZ and GSY.

Drawdown Indicators

	BILZ	GSY	Difference
Max Drawdown Largest peak-to-trough decline	-0.52%	-12.14%	+11.62%
Max Drawdown (1Y) Largest decline over 1 year	-0.02%	-0.06%	+0.04%
Max Drawdown (3Y) Largest decline over 3 years	—	-0.18%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-1.48%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-5.25%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.01%	-2.39%	+2.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.00%	0.01%	-0.01%

Volatility

BILZ vs. GSY - Volatility Comparison

The current volatility for PIMCO Ultra Short Government Active Exchange-Traded Fund (BILZ) is 0.07%, while Invesco Ultra Short Duration ETF (GSY) has a volatility of 0.14%. This indicates that BILZ experiences smaller price fluctuations and is considered to be less risky than GSY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BILZ	GSY	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.07%	0.14%	-0.07%
Volatility (6M) Calculated over the trailing 6-month period	0.14%	0.29%	-0.15%
Volatility (1Y) Calculated over the trailing 1-year period	0.21%	0.40%	-0.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.43%	0.58%	-0.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.43%	1.22%	-0.79%

BILZ vs. GSY - Expense Ratio Comparison

BILZ has a 0.14% 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

BILZ vs. GSY - Dividend Comparison

BILZ's dividend yield for the trailing twelve months is around 4.07%, less than GSY's 4.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BILZ PIMCO Ultra Short Government Active Exchange-Traded Fund	4.07%	4.19%	4.95%	2.23%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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%

Frequently Asked Questions

Can I hold both BILZ and GSY in my portfolio?

BILZ and GSY have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BILZ or GSY?

GSY has higher volatility (0.14%) compared to BILZ (0.07%). In terms of maximum drawdown, BILZ dropped -0.52% vs GSY's -12.14%.

Which ETF is better, BILZ or GSY?

On 1-year performance, GSY leads with 4.54% vs 3.91% for BILZ. On fees, BILZ is cheaper at 0.14% 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, BILZ or GSY?

Over the 1-year period, GSY has performed better with a 4.54% return vs 3.91%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BILZ or GSY?

BILZ is cheaper with a 0.14% expense ratio, compared with 0.22% for GSY.

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

GSY has the higher dividend yield at 4.34%, compared with 4.07% for BILZ.

What is the main difference between BILZ and GSY?

They also come from different issuers: PIMCO and Invesco. Their fees differ too: 0.14% for BILZ and 0.22% for GSY.

Which has better risk-adjusted returns?

BILZ currently has the higher Sharpe Ratio (19.09 vs 11.52), 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.