📈 Pair Trader

Strategy: Scale-in pair trading with OLS hedge ratio (60d lookback). 🔵 LONG = Z < -2.0: long first stock, short second (β-weighted). 🔴 SHORT = Z > 2.0: short first stock, long second (β-weighted). Extra entry at |Z| ≥ 2.5. Exit when Z crosses 0.