SPXB vs. BRK-B

Last updated Jun 5, 2026

SPXB (ProShares S&P 500 Bond ETF) is Corporate Bonds fund tracking the S&P 500 MarketAxess Investment Grade Corporate Bond Index, while BRK-B (Berkshire Hathaway Inc.) is a stock. At a 0.02 correlation, their price movements are largely independent.

Performance

SPXB vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares S&P 500 Bond ETF (SPXB) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SPXB

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BRK-B

• 1D: 0.69%
• 1M: 2.82%
• YTD: -4.78%
• 6M: -4.89%
• 1Y: -2.52%
• 3Y*: 13.36%
• 5Y*: 10.35%
• 10Y*: 12.93%

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

SPXB vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
SPXB ProShares S&P 500 Bond ETF	0.00%	0.00%	-3.45%	8.83%	-16.66%	-1.89%	10.33%	15.34%	1.13%
BRK-B Berkshire Hathaway Inc.	-4.78%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	6.56%

Correlation

The correlation between SPXB and BRK-B is 0.02, 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 (3Y) Calculated over the trailing 3-year period	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.07
Correlation (All Time) Calculated using the full available price history since May 4, 2018	0.02

Return for Risk

SPXB vs. BRK-B — 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: 31
BRK-B Sharpe Ratio Rank: 34
BRK-B Sortino Ratio Rank: 28
BRK-B Omega Ratio Rank: 27
BRK-B Calmar Ratio Rank: 33
BRK-B Martin Ratio Rank: 32

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.

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

This table presents a comparison of risk-adjusted performance metrics for ProShares S&P 500 Bond ETF (SPXB) and Berkshire Hathaway Inc. (BRK-B). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	SPXB	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	-0.18	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.61	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.67	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.48	—

Drawdowns

Drawdown Indicators

	SPXB	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	—	-53.86%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-9.42%	—
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	—	-11.33%	—
Average Drawdown Average peak-to-trough decline	—	-11.07%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.46%	—

Volatility

Volatility by Period

	SPXB	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.72%	—
Volatility (6M) Calculated over the trailing 6-month period	—	10.70%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	14.32%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	17.11%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	19.43%	—

Dividends

SPXB vs. BRK-B - Dividend Comparison

Neither SPXB nor BRK-B has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BRK-B Berkshire Hathaway Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPXB ProShares S&P 500 Bond ETF	0.00%	0.00%	1.22%	4.04%	3.14%	2.00%	2.64%	3.48%	2.52%

Frequently Asked Questions

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

SPXB and BRK-B have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.