低吸高抛指标 (源码)

空方主力:(-2)*(Var3-Var4)*3.8, LINESTICK;
多方主力:2*(Var3-Var4)*3.8, LINESTICK;
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DRAWTEXT(CROSS(多方主力,空方主力),0,'低吸 ');
DRAWTEXT(CROSS(空方主力,多方主力),0,'高抛 ');