J线买卖主图指标 通达信公式（附图）

RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
B:=CROSS(K,D) AND J<20;
DRAWICON(B,L,1);
S:=CROSS(100,J)AND C>O;
DRAWICON(S,H,2);

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