BRK-B vs. GSY

Last updated Jun 13, 2026

BRK-B (Berkshire Hathaway Inc.) is a stock, while GSY (Invesco Ultra Short Duration ETF) is Ultrashort Bond fund actively managed by Invesco. Over the past 10 years, BRK-B returned 13.22%/yr vs 2.86%/yr for GSY. At a 0.01 correlation, their price movements are largely independent.

Performance

BRK-B vs. GSY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Berkshire Hathaway Inc. (BRK-B) 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, BRK-B achieves a -2.67% return, which is significantly lower than GSY's 1.72% return. Over the past 10 years, BRK-B has outperformed GSY with an annualized return of 13.22%, while GSY has yielded a comparatively lower 2.86% annualized return.

BRK-B

• 1D: 0.71%
• 1M: 1.07%
• YTD: -2.67%
• 6M: -2.06%
• 1Y: 0.35%
• 3Y*: 13.30%
• 5Y*: 11.27%
• 10Y*: 13.22%

GSY

• 1D: 0.00%
• 1M: 0.36%
• YTD: 1.72%
• 6M: 1.96%
• 1Y: 4.49%
• 3Y*: 5.48%
• 5Y*: 3.68%
• 10Y*: 2.86%

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

BRK-B vs. GSY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BRK-B Berkshire Hathaway Inc.	-2.67%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%
GSY Invesco Ultra Short Duration ETF	1.72%	4.96%	5.95%	5.99%	0.01%	0.03%	1.88%	3.39%	2.18%	1.86%

Correlation

The correlation between BRK-B and GSY is 0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.01
Correlation (10Y) Calculated over the trailing 10-year period	0.00
Correlation (All Time) Calculated using the full available price history since Feb 12, 2008	0.01

Return for Risk

BRK-B vs. GSY — Risk / Return Rank

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

BRK-B

BRK-B Risk / Return Rank: 39
BRK-B Sharpe Ratio Rank: 42
BRK-B Sortino Ratio Rank: 34
BRK-B Omega Ratio Rank: 33
BRK-B Calmar Ratio Rank: 42
BRK-B Martin Ratio Rank: 42

GSY

GSY Risk / Return Rank: 99
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.

BRK-B vs. GSY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc. (BRK-B) 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.

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.

	BRK-B	GSY	Difference
Sharpe ratio: Return per unit of total volatility	-0.02	11.20	-11.22
Sortino ratio: Return per unit of downside risk	0.08	27.35	-27.27
Omega ratio: Gain probability vs. loss probability	1.01	6.54	-5.53
Calmar ratio: Return relative to maximum drawdown	-0.02	75.72	-75.74
Martin ratio: Return relative to average drawdown	-0.05	373.96	-374.01

BRK-B vs. GSY - Sharpe Ratio Comparison

The current BRK-B Sharpe Ratio is -0.02, which is lower than the GSY Sharpe Ratio of 11.20. The chart below compares the historical Sharpe Ratios of BRK-B 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.

Drawdowns

BRK-B vs. GSY - Drawdown Comparison

The maximum BRK-B drawdown since its inception was -53.86%, which is greater than GSY's maximum drawdown of -12.14%. Use the drawdown chart below to compare losses from any high point for BRK-B and GSY.

Drawdown Indicators

	BRK-B	GSY	Difference
Max Drawdown Largest peak-to-trough decline	-53.86%	-12.14%	-41.72%
Max Drawdown (1Y) Largest decline over 1 year	-9.42%	-0.06%	-9.36%
Max Drawdown (3Y) Largest decline over 3 years	-14.95%	-0.18%	-14.77%
Max Drawdown (5Y) Largest decline over 5 years	-26.58%	-1.48%	-25.10%
Max Drawdown (10Y) Largest decline over 10 years	-29.57%	-5.25%	-24.32%
Current Drawdown Current decline from peak	-9.36%	0.00%	-9.36%
Average Drawdown Average peak-to-trough decline	-11.07%	-2.38%	-8.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.53%	0.01%	+4.52%

Volatility

BRK-B vs. GSY - Volatility Comparison

Berkshire Hathaway Inc. (BRK-B) has a higher volatility of 3.95% compared to Invesco Ultra Short Duration ETF (GSY) at 0.15%. This indicates that BRK-B'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

	BRK-B	GSY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.95%	0.15%	+3.80%
Volatility (6M) Calculated over the trailing 6-month period	10.78%	0.31%	+10.47%
Volatility (1Y) Calculated over the trailing 1-year period	14.38%	0.40%	+13.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.12%	0.58%	+16.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.44%	1.22%	+18.22%

Dividends

BRK-B vs. GSY - Dividend Comparison

BRK-B has not paid dividends to shareholders, while GSY's dividend yield for the trailing twelve months is around 4.34%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BRK-B Berkshire Hathaway Inc.	0.00%	0.00%	0.00%	0.00%	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 BRK-B and GSY in my portfolio?

BRK-B and GSY have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BRK-B or GSY?

BRK-B has higher volatility (3.95%) compared to GSY (0.15%). In terms of maximum drawdown, BRK-B dropped -53.86% vs GSY's -12.14%.

Which has better risk-adjusted returns?

GSY currently has the higher Sharpe Ratio (11.20 vs -0.02), 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.