u0407

df['trend_high'] = df['High'].rolling(window=roll_window).apply(lambda x: 1 if (x.iloc[-1] - x.iloc[0]) > 0 else -1 if (x.iloc[-1] - x.iloc[0]) < 0 else 0) df['trend_low'] = df['Low'].rolling(window=roll_window).apply(lambda x: 1 if (x.iloc[-1] - x.iloc[0])...