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自己改之前：

即时涨幅:=(C-DYNAINFO(3))/DYNAINFO(3)*100;

MA3:="MA.MA3#DAY"(5,10,20);

DRAWTEXT(LONGCROSS(支撑,C,2) AND 涨幅>-9.5,支撑*1.001,'B'),COLORRED;

DRAWTEXT(LONGCROSS(C,强弱,2) AND 强弱>REF(强弱,1) AND 涨幅>0 AND 即时涨幅<5,强弱*0.998,'B'),COLORRED;

DRAWTEXT(LONGCROSS(C,阻力,2),C,'S'),COLORGREEN;{抛};

KD:=LONGCROSS(支撑,C,2) AND 涨幅>-9.5,支撑*1.001,'B'; //开多条件

PD:=LONGCROSS(C,阻力,2),C,'S'; //平多条件

KK:=LONGCROSS(C,阻力,2),C,'S'; //开空条件

PK:=LONGCROSS(支撑,C,2) AND 涨幅>-9.5,支撑*1.001,'B'; //平空条件

平空:SELLSHORT(PK,0,THISCLOSE); //平空信号

开多:BUY(KD ,1,THISCLOSE); //开多信号

平多:SELL(PD,0,THISCLOSE); //平多信号

开空:BUYSHORT(KK ,1,THISCLOSE); //开空信号

指导后修改，请老师指正

MA30:=EMA(CLOSE,30);

强弱:EMA(CLOSE,50),COLORYELLOW,LINETHICK1;

IF(强弱<REF(强弱,1),强弱,DRAWNULL),COLOR00FF00,LINETHICK1;

{IF(分水岭>REF(分水岭,1)*0.999,分水岭,DRAWNULL),COLORRED,LINETHICK3;}

STICKLINE((MA30>强弱),MA30,强弱,1,0),COLOR000099;

STICKLINE((MA30<强弱),MA30,强弱,1,0),COLOR00FF00;

H1:=MAX(callstock(stklabel,vtclose,6,-1),callstock(stklabel,vtclose,10,-1));

L1:=MIN(callstock(stklabel,vtclose,6,-1),callstock(stklabel,vtclose,12,-1));

P1:=H1-L1;

阻力:L1+P1*7/8,COLOR0000FF DOTLINE;

支撑:L1+P1*0.5/8,COLOR00DD00 DOTLINE;

现价:CLOSE,COLORWHITE,LINETHICK1;

涨幅:=(callstock(stklabel,vtclose,14,-1)-callstock(stklabel,vtclose,6,-1))/callstock(stklabel,vtclose,6,-1)*100;

即时涨幅:=(C-callstock(stklabel,vtclose,6,-1))/callstock(stklabel,vtclose,6,-1)*100;