描述
⋅ closeday1 = security(syminfo.tickerid, "D", ((close+close[1]+close[2]+close[3]+close[4])/5))
closeday2 = security(syminfo.tickerid, "D", ((close+close[1]+close[2]+close[3]+close[4])/5*0.95))
closeday3 = security(syminfo.tickerid, "D", ((close+close[1]+close[2]+close[3]+close[4])/5*0.87))
closeday4 = security(syminfo.tickerid, "D", ((close+close[1]+close[2]+close[3]+close[4])/5*1.05))
closeday5 = security(syminfo.tickerid, "D", ((close+close[1]+close[2]+close[3]+close[4])/5*1.13))
plot(closeday1)
plot(closeday2)
plot(closeday3)
plot(closeday4)
plot(closeday5)