想選股設定 RSI連續三天大於80以上，要如何設定呢

value1 = RSI(close,6);

value2= xf_RSI("D",GetField("Close","D")[1],6);

value3= xf_RSI("D",GetField("Close","D")[2],6);

if value1>80

and value2>80

and value3>80

then ret = 1;