基本用法: 出现10线的红箭头介入试仓，再出现-10线上的红箭头建仓，属于超短和短线之间的属性。

JDK:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=MA(JDK,3);
D:=MA(K,3);
J:(K*K-D*D)/100,COLORWHITE,LINETHICK1;
MA9:MA(MA(MA(MA(J,2),3),4),5),COLORYELLOW,LINETHICK1;
DRAWICON(CROSS(MA9,J) AND C DRAWICON(CROSS(J,MA9) AND REF(J,1)<0 AND REF(MA9,1)<0,-10,1);
0;