将这段MACD源码写一个“积底背”条件选股做预警
2019/12/8 18:26:05
公式编写说明：
请老师根据以下源码写一个条件选股或预警，源码如下：DIFF : EMA(CLOSE,16) - EMA(CLOSE,29);DEA : EMA(DIFF,9);MACD : 2*(DIFF-DEA), COLORSTICK;JC := DEA-DIFF;绿柱面积:=IF(MACD<0,SUM(MACD,BARSLAST(JC<0)),0);红柱面积:=IF(MACD>0,SUM(MACD,BARSLAST(JC>0)),0);本次最低价:=LLV(L,BARSLAST(JC<0));本次最高价:=HHV(H,BARSLAST(JC>0));X1:=IF (MACD<0,BARSLAST(CROSS(DIFF,DEA)),0);前次绿柱面积:=REF(绿柱面积,X1+1);前次最低价:=REF(本次最低价,X1+1);Y1:=IF((绿柱面积<0 AND ABS(绿柱面积)<ABS(前次绿柱面积)AND 本次最低价<前次最低价 ),1,0);RS1:= MACD<0 AND REF(MACD,1)<0 AND C<前次最低价AND ABS(绿柱面积)<ABS(前次绿柱面积) AND ABS(MACD)<ABS(REF(MACD,1));底背驰:= IF (CROSS(DIFF,DEA),REF(Y1,1),0);DRAWTEXT(底背驰,0.3,'积底背'),COLOR00FFFF;STICKLINE(底背驰,0,0.3,4,0),COLOR0000FF;DRAWICON(底背驰,0,23),COLORYELLOW;DRAWBAND(DIFF,RGB(200,50,55),DEA,RGB(50,100,10));遵:IF(DIFF>=DEA,DIFF,DRAWNULL),COLORRED; 守:IF(DEA>=DIFF,DEA,DRAWNULL),COLORFF9900;纪:IF(DIFF>=DEA,DEA,DRAWNULL),COLOR00FFFF;律:IF(DEA>=DIFF,DIFF,DRAWNULL),COLOR00FF00;X2:=IF (MACD>0,BARSLAST(CROSS(DEA,DIFF)),0);前次红柱面积:=REF(红柱面积,X2+1);前次最高价:=REF(本次最高价,X2+1);Y2:=IF((红柱面积>0 AND 红柱面积<前次红柱面积 AND 本次最高价>前次最高价 ),1,0);RS2:= MACD>0 AND REF(MACD,1)>0 AND C>前次最高价 AND ABS(红柱面积)<ABS(前次红柱面积) AND ABS(MACD)<ABS(REF(MACD,1));顶背驰:= IF (CROSS(DEA,DIFF),REF(Y2,1),0);DRAWICON(顶背驰,0,19),COLOR00FF00;STICKLINE(顶背驰,0,-0.3,4,0),COLOR00FF00;DRAWTEXT(顶背驰,-0.3,'积顶背'),COLORFF0000;要求，积底背出现时预警或者条件选股中选出积底背。万分感谢！
公式源码回答：
DIFF:=EMA(CLOSE,16) - EMA(CLOSE,29);
DEA:=EMA(DIFF,9);
MACD:=2*(DIFF-DEA);
JC := DEA-DIFF;
绿柱面积:=IF(MACD<0,SUM(MACD,BARSLAST(JC<0)),0);
本次最低价:=LLV(L,BARSLAST(JC<0));
X1:=IF (MACD<0,BARSLAST(CROSS(DIFF,DEA)),0);
前次绿柱面积:=REF(绿柱面积,X1+1);
前次最低价:=REF(本次最低价,X1+1);
Y1:=IF((绿柱面积<0 AND ABS(绿柱面积)<ABS(前次绿柱面积)
AND 本次最低价<前次最低价 ),1,0);
底背驰:IF (CROSS(DIFF,DEA),REF(Y1,1),0);
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