def aroon(df, aroon_per, aroon_sl, aroon_wl):
df_aroon = df.ta.aroon(length=aroon_per)
aroon_u, aroon_d = df_aroon.iloc[:, 0], df_aroon.iloc[:, 1]
aroon_usl = ta.above_value(aroon_u, aroon_sl) # strenght in aroon up
aroon_dsl = ta.above_value(aroon_d, aroon_sl) # strenght in aroon down
aroon_uwl = ta.below_value(aroon_u, aroon_wl) # weakness in aroon up
aroon_dwl = ta.below_value(aroon_d, aroon_wl) # weakness in aroon down
aroon_usl.iloc[:aroon_per] = np.nan
aroon_dsl.iloc[:aroon_per] = np.nan
aroon_uwl.iloc[:aroon_per] = np.nan
aroon_dwl.iloc[:aroon_per] = np.nan
return aroon_usl, aroon_dsl, aroon_uwl, aroon_dwl
def mfi(df, mfi_per, mfi_ll, mfi_ul):
mfi = df.ta.mfi(length=mfi_per)
mfi_buy = ta.above_value(mfi, mfi_ul)
mfi_sell = ta.below_value(mfi, mfi_ll)
mfi_buy.iloc[:mfi_per] = np.nan
mfi_sell.iloc[:mfi_per] = np.nan
return mfi_buy, mfi_sell
def rsi(df, rsi_per, rsi_llv, rsi_ulv):
s_rsi = df.ta.rsi(length=rsi_per)
s_rsi.iloc[:rsi_per] = np.nan # ta includes first values
rsi_ll = ta.below_value(s_rsi, value=rsi_llv)
rsi_ul = ta.above_value(s_rsi, value=rsi_ulv)
rsi_ll.iloc[:rsi_per] = np.nan
rsi_ul.iloc[:rsi_per] = np.nan
return rsi_ll, rsi_ul