BRK-B vs. AMDY

Last updated Jun 6, 2026

BRK-B (Berkshire Hathaway Inc.) is a stock, while AMDY (YieldMax AMD Option Income Strategy ETF) is Options Trading fund actively managed by YieldMax. Over the past year, BRK-B returned -0.12% vs 199.77% for AMDY. At a 0.04 correlation, their price movements are largely independent.

Performance

BRK-B vs. AMDY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Berkshire Hathaway Inc. (BRK-B) and YieldMax AMD Option Income Strategy ETF (AMDY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BRK-B achieves a -2.89% return, which is significantly lower than AMDY's 83.37% return.

BRK-B

• 1D: 1.98%
• 1M: 3.90%
• YTD: -2.89%
• 6M: -3.21%
• 1Y: -0.12%
• 3Y*: 13.55%
• 5Y*: 10.78%
• 10Y*: 13.19%

AMDY

• 1D: -10.42%
• 1M: 6.90%
• YTD: 83.37%
• 6M: 83.46%
• 1Y: 199.77%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BRK-B vs. AMDY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
BRK-B Berkshire Hathaway Inc.	-2.89%	10.89%	27.09%	-3.73%
AMDY YieldMax AMD Option Income Strategy ETF	83.37%	53.93%	-17.00%	26.24%

Correlation

The correlation between BRK-B and AMDY is -0.17, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.17
Correlation (All Time) Calculated using the full available price history since Sep 20, 2023	0.04

The correlation between BRK-B and AMDY shifts across timeframes, from -0.17 (1 year) to 0.04 (all time), reflecting how their relationship changes across market environments.

Return for Risk

BRK-B vs. AMDY — 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: 38
BRK-B Sharpe Ratio Rank: 41
BRK-B Sortino Ratio Rank: 33
BRK-B Omega Ratio Rank: 32
BRK-B Calmar Ratio Rank: 41
BRK-B Martin Ratio Rank: 41

AMDY

AMDY Risk / Return Rank: 90
AMDY Sharpe Ratio Rank: 95
AMDY Sortino Ratio Rank: 88
AMDY Omega Ratio Rank: 89
AMDY Calmar Ratio Rank: 94
AMDY Martin Ratio Rank: 83

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. AMDY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc. (BRK-B) and YieldMax AMD Option Income Strategy ETF (AMDY). 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.

	BRK-B	AMDY	Difference
Sharpe ratio: Return per unit of total volatility	-0.01	3.69	-3.69
Sortino ratio: Return per unit of downside risk	0.09	3.90	-3.81
Omega ratio: Gain probability vs. loss probability	1.01	1.55	-0.54
Calmar ratio: Return relative to maximum drawdown	-0.01	7.29	-7.30
Martin ratio: Return relative to average drawdown	-0.03	16.38	-16.41
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BRK-B vs. AMDY - Sharpe Ratio Comparison

The current BRK-B Sharpe Ratio is -0.01, which is lower than the AMDY Sharpe Ratio of 3.69. The chart below compares the historical Sharpe Ratios of BRK-B and AMDY, 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

	BRK-B	AMDY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.01	3.69	-3.69
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.68	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	1.07	-0.58

Drawdowns

BRK-B vs. AMDY - Drawdown Comparison

The maximum BRK-B drawdown since its inception was -53.86%, roughly equal to the maximum AMDY drawdown of -53.92%. Use the drawdown chart below to compare losses from any high point for BRK-B and AMDY.

Drawdown Indicators

	BRK-B	AMDY	Difference
Max Drawdown Largest peak-to-trough decline	-53.86%	-53.92%	+0.06%
Max Drawdown (1Y) Largest decline over 1 year	-9.42%	-27.59%	+18.17%
Max Drawdown (3Y) Largest decline over 3 years	-14.95%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-26.58%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-29.57%	—	—
Current Drawdown Current decline from peak	-9.57%	-12.88%	+3.31%
Average Drawdown Average peak-to-trough decline	-11.07%	-17.99%	+6.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.47%	12.25%	-7.78%

Volatility

BRK-B vs. AMDY - Volatility Comparison

The current volatility for Berkshire Hathaway Inc. (BRK-B) is 4.08%, while YieldMax AMD Option Income Strategy ETF (AMDY) has a volatility of 20.04%. This indicates that BRK-B experiences smaller price fluctuations and is considered to be less risky than AMDY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BRK-B	AMDY	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.08%	20.04%	-15.96%
Volatility (6M) Calculated over the trailing 6-month period	10.87%	41.71%	-30.84%
Volatility (1Y) Calculated over the trailing 1-year period	14.39%	54.60%	-40.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.13%	46.43%	-29.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.43%	46.43%	-27.00%

Dividends

BRK-B vs. AMDY - Dividend Comparison

BRK-B has not paid dividends to shareholders, while AMDY's dividend yield for the trailing twelve months is around 66.60%.

Position	TTM	2025	2024	2023
AMDY YieldMax AMD Option Income Strategy ETF	66.60%	80.68%	109.98%	6.68%
BRK-B Berkshire Hathaway Inc.	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BRK-B and AMDY in my portfolio?

BRK-B and AMDY have a correlation of -0.17, 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 AMDY?

AMDY has higher volatility (20.04%) compared to BRK-B (4.08%). In terms of maximum drawdown, BRK-B dropped -53.86% vs AMDY's -53.92%.

Which has better risk-adjusted returns?

AMDY currently has the higher Sharpe Ratio (3.69 vs -0.01), 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.