通达信笑君选股指标公式源码

	指标提示+20线支撑=介入！！ 指标提示+55线支撑=介入！！ 指标提示+无均线支撑+收阳=介入！！ A:=C<O; B:=COUNT(A,4)=4; D:=obv-MA(OBV,30); E:=MA(C,20)>REF(MA(C,20),1) AND MA(C,55)>REF(MA(C,55),1); XG:B AND D>0 AND E;