短中RSI

LC := REF(CLOSE,1);
短:SMA(MAX(CLOSE-LC,0),8,1)/SMA(ABS(CLOSE-LC),8,1)*100,colorwhite;
中:SMA(MAX(CLOSE-LC,0),55,1)/SMA(ABS(CLOSE-LC),55,1)*100,coloryellow;
机会来了:if(短<=20 and 中<=49,20,0);
A:=BARSLAST(REF(CROSS("RSI.RSI1"(8,55,24),"RSI.RSI2"(8,55,24)),1));
B:=REF(CLOSE,A3+1)>CLOSE and REF("RSI.RSI1"(8,55,24),A3+1)<"RSI.RSI1"(8,55,24) and CROSS("RSI.RSI1"(8,55,24),"RSI.RSI2"(8,55,24));
xx:=FILTER(B>0,7);
DRAWTEXT(xx,短,'●'),COLORRED;
DRAWTEXT(xx,短-5,'底背'),COLORRED;