SPXB vs. BRK-B

Last updated Aug 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. Their 0.02 correlation means their historical movements had little consistent relationship.

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

BRK-B

• 1D: 0.80%
• 1M: 1.86%
• 6M: 4.76%
• YTD: 2.90%
• 1Y: 12.66%
• 3Y*: 13.90%
• 5Y*: 13.04%
• 10Y*: 13.51%
• ALL TIME*: 10.75%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BRK-B Berkshire Hathaway Inc.	$2.12B	$2.06B	$2.40B

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%	1.05%
BRK-B Berkshire Hathaway Inc.	2.90%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	5.62%

Correlation

The correlation between SPXB and BRK-B is 0.02, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (3Y) Balances recent behavior with more history.	0.04
Correlation (5Y) Shows whether the relationship held over a longer period.	0.09
Correlation (All Time) Calculated using the full available price history since May 3, 2018	0.02

Return for Risk

SPXB vs. BRK-B — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

SPXB

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

BRK-B

BRK-B Risk / Return Rank: 67
BRK-B Sharpe Ratio Rank: 72
BRK-B Sortino Ratio Rank: 64
BRK-B Omega Ratio Rank: 63
BRK-B Calmar Ratio Rank: 70
BRK-B Martin Ratio Rank: 69

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

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.

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.

	SPXB	BRK-B	Difference
Sharpe ratio: Return per unit of total volatility	—	0.88	—
Sortino ratio: Return per unit of downside risk	—	1.31	—
Omega ratio: Gain probability vs. loss probability	—	1.16	—
Calmar ratio: Return relative to maximum drawdown	—	1.35	—
Martin ratio: Return relative to average drawdown	—	2.83	—

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	—	-4.18%	—
Average Drawdown Average peak-to-trough decline	—	-11.06%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.48%	—

Volatility

Volatility by Period

	SPXB	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.38%	—
Volatility (6M) Calculated over the trailing 6-month period	—	11.05%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	14.78%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	17.11%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	19.42%	—

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.