网友求助:
当股价到达中轨时预警
源码如下:
	AA:=MA((2*CLOSE+HIGH+LOW)/4,5);
	通1:=AA*102/100;
	通2:=AA*(200-102)/100;
	CC:=ABS((2*CLOSE+HIGH+LOW)/4-MA(CLOSE,20))/MA(CLOSE,20);
	DD:=DMA(CLOSE,CC);
	上:(1+7/100)*DD,CIRCLEDOT,COLOR0099FF;
	下:(1-7/100)*DD,CIRCLEDOT,COLOR0099FF;
	中:(上+下)/2,CIRCLEDOT,COLOR0099FF;
	中下:(中+下)/2,colorf0f000;
解答如下:
	CC:=ABS((2*CLOSE+HIGH+LOW)/4-MA(CLOSE,20))/MA(CLOSE,20);
	DD:=DMA(CLOSE,CC);
	上:=(1+7/100)*DD;
	下:=(1-7/100)*DD;
	中:=(上+下)/2;
	XG:BETWEEN(C,中*0.98,中*1.01);