df['signal'] = 0 #df = df.assign(signal = 0) #可采用assign新增一列 for index,row in df.iterrows(): df.loc[index, 'signal'] = np.sign(row['Close']-row['Ma20']) return df print(iterrows_loopiter(df_stockload)[0:5]) """ High Low Open Close Volume Adj Close Ma20 signal...
www.dbjr.com.cn/article/2566...htm 2025-6-6