此公式简单易用红进蓝出；()N;1 100 3)
RSV:=(CLOSE-LLV(LOW,18))/(HHV(HIGH,18)-LLV(LOW,18))*100;
K:SMA(RSV,2,1);
D:SMA(K,2,1);
持股:IF(K>REF(K,1),K,DRAWNULL),COLORRED,LINETHICK2;
持币:IF(D>REF(D,1),D,DRAWNULL),COLORGREEN,LINETHICK2;
风险:90,COLORGREEN;
转强:30,COLORBROWN;
红买: IF(K>D,30,DRAWNULL), COLORRED,LINETHICK4;
青卖: IF(K<D,30,DRAWNULL),COLORFFFF00,LINETHICK4;