PSNY vs. BRK-B

Last updated Jun 4, 2026

PSNY (Polestar Automotive Holding UK PLC Class A ADS) and BRK-B (Berkshire Hathaway Inc.) are both stocks. PSNY operates in Auto Manufacturers (Consumer Cyclical), while BRK-B operates in Insurance - Diversified (Financial Services). Over the past 3 years, PSNY returned -42.39%/yr vs 13.00%/yr for BRK-B. At a 0.21 correlation, their price movements are largely independent.

Performance

PSNY vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Polestar Automotive Holding UK PLC Class A ADS (PSNY) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PSNY achieves a -11.70% return, which is significantly lower than BRK-B's -5.43% return.

PSNY

• 1D: -2.88%
• 1M: -1.46%
• YTD: -11.70%
• 6M: 8.39%
• 1Y: -39.52%
• 3Y*: -42.39%
• 5Y*: —
• 10Y*: —

BRK-B

• 1D: 0.82%
• 1M: 1.46%
• YTD: -5.43%
• 6M: -5.61%
• 1Y: -4.51%
• 3Y*: 13.00%
• 5Y*: 10.20%
• 10Y*: 12.91%

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

PSNY vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
PSNY Polestar Automotive Holding UK PLC Class A ADS	-11.70%	-32.16%	-53.54%	-57.44%	-59.15%
BRK-B Berkshire Hathaway Inc.	-5.43%	10.89%	27.09%	15.46%	11.00%

Correlation

The correlation between PSNY and BRK-B is 0.04, 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	0.04
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (All Time) Calculated using the full available price history since Jun 27, 2022	0.21

The correlation between PSNY and BRK-B shifts across timeframes, from 0.04 (1 year) to 0.21 (all time), reflecting how their relationship changes across market environments.

Fundamentals

EPS PSNY : -$32.22 BRK-B : $33.62
PS Ratio PSNY : 0.52 BRK-B : 2.73
Total Revenue (TTM) PSNY : $2.55B BRK-B : $375.39B
Gross Profit (TTM) PSNY : -$828.47M BRK-B : $94.36B
EBITDA (TTM) PSNY : -$417.20M BRK-B : $71.92B

Return for Risk

PSNY vs. BRK-B — Risk / Return Rank

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

PSNY

PSNY Risk / Return Rank: 24
PSNY Sharpe Ratio Rank: 23
PSNY Sortino Ratio Rank: 27
PSNY Omega Ratio Rank: 27
PSNY Calmar Ratio Rank: 21
PSNY Martin Ratio Rank: 23

BRK-B

BRK-B Risk / Return Rank: 23
BRK-B Sharpe Ratio Rank: 27
BRK-B Sortino Ratio Rank: 22
BRK-B Omega Ratio Rank: 23
BRK-B Calmar Ratio Rank: 24
BRK-B Martin Ratio Rank: 20

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.

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

This table presents a comparison of risk-adjusted performance metrics for Polestar Automotive Holding UK PLC Class A ADS (PSNY) 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.

	PSNY	BRK-B	Difference
Sharpe ratio Return per unit of total volatility	-0.43	-0.32	-0.11
Sortino ratio Return per unit of downside risk	-0.13	-0.34	+0.20
Omega ratio Gain probability vs. loss probability	0.98	0.96	+0.02
Calmar ratio Return relative to maximum drawdown	-0.56	-0.48	-0.08
Martin ratio Return relative to average drawdown	-0.90	-1.02	+0.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSNY vs. BRK-B - Sharpe Ratio Comparison

The current PSNY Sharpe Ratio is -0.43, which is lower than the BRK-B Sharpe Ratio of -0.32. The chart below compares the historical Sharpe Ratios of PSNY and BRK-B, 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

	PSNY	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.43	-0.32	-0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.60	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.67	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.63	0.48	-1.11

Drawdowns

PSNY vs. BRK-B - Drawdown Comparison

The maximum PSNY drawdown since its inception was -96.92%, which is greater than BRK-B's maximum drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for PSNY and BRK-B.

Drawdown Indicators

	PSNY	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-96.92%	-53.86%	-43.06%
Max Drawdown (1Y) Largest decline over 1 year	-70.78%	-9.42%	-61.36%
Max Drawdown (3Y) Largest decline over 3 years	-91.66%	-14.95%	-76.71%
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	-95.16%	-11.94%	-83.22%
Average Drawdown Average peak-to-trough decline	-80.77%	-11.07%	-69.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	44.08%	4.57%	+39.51%

Volatility

PSNY vs. BRK-B - Volatility Comparison

Polestar Automotive Holding UK PLC Class A ADS (PSNY) has a higher volatility of 24.25% compared to Berkshire Hathaway Inc. (BRK-B) at 3.75%. This indicates that PSNY's price experiences larger fluctuations and is considered to be riskier than BRK-B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSNY	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.25%	3.75%	+20.50%
Volatility (6M) Calculated over the trailing 6-month period	76.90%	10.68%	+66.22%
Volatility (1Y) Calculated over the trailing 1-year period	92.09%	14.33%	+77.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	84.96%	17.11%	+67.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	84.96%	19.43%	+65.53%

Dividends

PSNY vs. BRK-B - Dividend Comparison

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

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

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

PSNY and BRK-B have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSNY or BRK-B?

PSNY has higher volatility (24.25%) compared to BRK-B (3.75%). In terms of maximum drawdown, PSNY dropped -96.92% vs BRK-B's -53.86%.

Which has better risk-adjusted returns?

BRK-B currently has the higher Sharpe Ratio (-0.32 vs -0.43), 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.