#coding: utf-8
"""
均线策略
"""
import pandas as pd
# MA指标择时
def select_time_ma(df_closeprice, ma_short=12, ma_long=40):
"""
MA指标择时(简单均线SMA)
:param df_closeprice: DataFrame, 收盘价
:param ma_short:
:param ma_long:
:return:
"""
#SMA
df_closeprice['ma_close_short'] = pd.rolling_mean(df_closeprice['close_price'], ma_short)
df_closeprice['ma_close_long'] = pd.rolling_mean(df_closeprice['close_price'], ma_long)
df_closeprice['signal'] = 0
for ix, row in df_closeprice.iterrows():
pass
# if ema_close_short[-1] > ema_close_short[-2] and ema_close_short[-1] > ema_close_long[-1] \
# and ema_close_short[-2] < ema_close_long[-2]:
# signal = SIGNAL_BUY
# elif ema_close_long[-1] < ema_close_long[-2] and ema_close_short[-1] < ema_close_long[-1] \
# and ema_close_short[-2] > ema_close_long[-2]:
# signal = SIGNAL_SALE
# return signal
