Berkshire Hathaway xStock vs Strategy PP Variable xStock

Strategy PP Variable xStock (STRCX) is 65.4× the size of Berkshire Hathaway xStock (BRK.BX) by market capitalisation. Over the past 30 days, STRCX is ahead by 3.1 percentage points (BRK.BX -0.1% against STRCX +3.0%). Their daily returns move loosely together (correlation 0.36 across 22 shared trading days). STRCX has been the more volatile of the two, at 51% annualised against BRK.BX's 16%.

Correlation: 0.36
Size ratio: 1 : 65.4
Ahead over 30 days: STRCX

Berkshire Hathaway xStockBRK.BX

$557.6400

24h: +0.42%
Market cap: $2.25M
Volume 24h: $48,872
Volatility (ann.): 16%

Strategy PP Variable xStockSTRCX

$109.4400

24h: +0.45%
Market cap: $147.36M
Volume 24h: $592,243
Volatility (ann.): 51%

BRK.BX 1.5%Share of the two combined market caps98.5% STRCX

Performance

BRK.BXSTRCX

7 days+0.12%+5.41%STRCX
30 days-0.07%+3.05%STRCX

Correlation

0.36over 22 shared trading days

−1 opposite0 unrelated+1 in step

7d: insufficient data30d: insufficient data90d: insufficient data1y: insufficient data

Measured on daily returns rather than on prices. Two assets that both simply trend upward score near 1.0 on raw prices whether or not they move together, so returns are what answer the question people mean by correlation.

Risk & extremes

Metric	BRK.BX	STRCX
Max drawdown (400d)	-3.5%	-7.5%
Risk-adjusted return (90d)	0.00	0.16

Relative strength over 90 days: STRCX outperformed BRK.BX by 1.3% — measured on the BRK.BX/STRCX ratio, so it holds regardless of market direction.

Berkshire Hathaway xStock →Strategy PP Variable xStock →