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000300.XSHG  沪深300指数 

000001.XSHE	平安银行
600000.XSHG 浦发银行 

获取所有指数
df = get_all_securities("index")
df.head(2000)

000001.XSHG	上证指数
000016.XSHG	上证50	
000300.XSHG	沪深300	
399300.XSHE	沪深300 深市
000688.XSHG,科创50
000698.XSHG,科创100
000852.XSHG,中证1000指数
399006.XSHE,创业板指
399673.XSHE,创业板50



rolling 滚动计算 需要 python3  , python2不支持



import pandas as pd
import matplotlib.pyplot as plt  
from datetime import datetime

# etf 510300.XSHG
df = get_price('000300.XSHG', start_date='2000-01-01', end_date='2024-05-07', frequency='daily', fields=['open','close']) 
print(df.info)
print(df.columns)
print(df.index)

# python3 
df['ma250'] = df['close'].rolling(window=250).mean()
df['std250'] = df['close'].rolling(window=250).std()

df['ma20'] = df['close'].rolling(window=20).mean()
df['std20'] = df['close'].rolling(window=20).std()

df['bias250'] = (df['close'] - df['ma250']) * 100 / df['ma250'] 

df['z250'] = (df['close'] - df['ma250']) / df['std250']
df['z20'] = (df['close'] - df['ma20']) / df['std20']

# 根据日期过滤
# df = df[df['date'] >='2020-01-01']
# 转成日期
# df['dt']= pd.to_datetime(df['date'])
# 设置索引
# df.set_index('dt')
df['dt'] = df.index


plt.plot(df['dt'],df['close'],color='k',label='close')

# 买入信号
buymask = df[df['bias250']< -15 ]
print(buymask.shape)
buymask = buymask[buymask['z20'] < -2]
print(buymask.shape)
plt.plot(buymask['dt'],buymask['close'],color='red',linestyle='',marker='o')


# 卖出信号
sellmask = df[df['bias250'] > 20 ]
sellmask = sellmask[sellmask['z20'] > 2]

plt.plot(sellmask['dt'],sellmask['close'],color='g',linestyle='',marker='o')

# plt.xticks(rotation=45)
# x轴日期自适应 避免重叠
plt.gcf().autofmt_xdate()
plt.legend()
plt.show()

# bias250
plt.plot(df['dt'],df['bias250'],label='bias250')
# plt.gca() 获当前 Axes 对象
ax = plt.gca()
    
# 添加 bias250 上下阈值线 
ax.axhline(-15, color='red', linestyle='--')
ax.axhline(20, color='red', linestyle='--') 

# plt.xticks(rotation=45)
# x轴日期自适应 避免重叠
plt.gcf().autofmt_xdate()
plt.legend()
plt.show()


# z250

plt.plot(df['dt'],df['z250'],label='z250')
ax = plt.gca()
# plt.gca() 获当前 Axes 对象
ax = plt.gca()
    
# 添加 z250 上下阈值线 
ax.axhline(-2, color='red', linestyle='--')
ax.axhline(2, color='red', linestyle='--')
plt.gcf().autofmt_xdate()
plt.legend()
plt.show()



# z20
plt.plot(df['dt'],df['z20'],label='z20')
ax = plt.gca()
# plt.gca() 获当前 Axes 对象
ax = plt.gca()
    
# 添加 z20 上下阈值线 
ax.axhline(-2, color='red', linestyle='--')
ax.axhline(2, color='red', linestyle='--')
plt.gcf().autofmt_xdate()
plt.legend()
plt.show()