测试效果

EMA10 A010001A

十日的移动指数平均

EMA10_J = dv.add_formula('EMA10_J', "Ta('EMA',0,0,0,0,close,0,%s)"%(params["t1"]),
                             is_quarterly=False,
                             add_data=False)

BBI A010013A

dv.add_formula('MA_3',
                   "Ta('MA',0,0,0,0,close,0,{})".format(params["t1"]),
                   is_quarterly=False,
                   add_data=True)
    dv.add_formula('MA_6',
                   "Ta('MA',0,0,0,0,close,0,{})".format(params["t2"]),
                   is_quarterly=False,
                   add_data=True)
    dv.add_formula('MA_12',
                   "Ta('MA',0,0,0,0,close,0,{})".format(params["t3"]),
                   is_quarterly=False,
                   add_data=True)
    dv.add_formula('MA_24',
                   "Ta('MA',0,0,0,0,close,0,{})".format(params["t4"]),
                   is_quarterly=False,
                   add_data=True)
    value = dv.add_formula('BBI_J',
                           "(MA_3+MA_6+MA_12+MA_24)/4",
                           is_quarterly=False,
                           add_data=False)