Ran some numbers.

$MSTRB has historically behaved like ~1.5× $BTC in price scaling.

BTC +10% → MSTR ~+15%
BTC 2× → MSTR ~2.85×

β = 1.51
R² = 0.914

Robust fits: 1.51–1.55×

Important: descriptive, not predictive.

Cointegration p ≈ 0.18.

MSTR has been a ~1.5× BTC growth amplifier with more return/risk.