求老師寫個黃金分割指標

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?來源:程序化99

按最近50根的高低價計算黃金比例，編寫參考：

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HH:HHV(H,50),NODRAW;
LL:LLV(L,50),NODRAW;

DRAWSL(ISLASTBAR,HH,0,-50,0,COLORRED);
DRAWSL(ISLASTBAR,LL,0,-50,0,COLORGREEN);
DRAWSL(ISLASTBAR,(HH-LL)*0.618+LL,0,-50,0,COLORYELLOW);
DRAWSL(ISLASTBAR,(HH-LL)*0.382+LL,0,-50,0,COLORYELLOW);?