本文选股公式根据以下股票公式改编：
http://www.gupang.com/202007/0F3520S2020.html
http://www.gupang.com/202007/0F3520S2020.html
A13:=BARSLAST(REF(CROSS("RSI.RSI1","RSI.RSI2"),1));
B3:=REF(C,A13+1)>C AND REF("RSI.RSI1",A13+1)<"RSI.RSI1"AND CROSS("RSI.RSI1","RSI.RSI2");
R底背:B3>0;
