EMA20:=20;
EMA60:=60;
ATR_N:=14;
KDJ_N:=9;
KDJ_M1:=3;
KDJ_M2:=3;
VOL_TH:=1.2;
// ==== 核心指标计算 ====
// 1. 趋势均线
MA20:EMA(C,EMA20);
MA60:EMA(C,EMA60);
// 2. ATR波动计算
TR:=MAX(MAX((H-L),ABS(REF(C,1)-H)),ABS(REF(C,1)-L));
ATR_VAL:=MA(TR,ATR_N);
UPPER:=MA20 + ATR_VAL*1.5;
LOWER:=MA20 – ATR_VAL*1.5;
// 3. KDJ指标计算
RSV:=(C-LLV(L,KDJ_N))/(HHV(H,KDJ_N)-LLV(L,KDJ_N))*100;
K:=SMA(RSV,KDJ_M1,1);
D:=SMA(K,KDJ_M2,1);
J:=3*K-2*D;
// 4. 量能确认
VOL_5:=MA(VOL,5);
VOL_RATIO:=IF(VOL_5=0,0,VOL/VOL_5);
// ==== 多空信号条件 ====
// 做多信号：EMA20上穿EMA60+收盘价站均线上+J值超卖拐头+量能放大
LONG:=CROSS(MA20,MA60) && C>MA20 && C>LOWER && REF(J,1)<20 && J>REF(J,1) && VOL_RATIO>VOL_TH;
// 做空信号：EMA20下穿EMA60+收盘价破均线+J值超买拐头+量能放大
SHORT:=MA20<MA60 && REF(MA20,1)>=REF(MA60,1) && C<MA20 && C<UPPER && REF(J,1)>80 && J<REF(J,1) && VOL_RATIO>VOL_TH;
// ==== 主图绘制 ====
// 1. 趋势均线+波动带
MA20,COLORRED;
MA60,COLORYELLOW;
UPPER,COLORGRAY;
LOWER,COLORGRAY;
// 2. 做多信号
DRAWICON(LONG,L,’ICO4′),COLORGREEN;
DRAWTEXT(LONG,L,’做多’),COLORGREEN,VALIGN0,FONTSIZE16;
// 3. 做空信号
DRAWICON(SHORT,H,’ICO5′),COLORRED;
DRAWTEXT(SHORT,H,’做空’),COLORRED,VALIGN2,FONTSIZE16;
// 4. 趋势状态提示
DRAWTEXT(ISLASTBAR&&MA20>MA60,C,’多头趋势’),COLORWHITE,ALIGN0,FONTSIZE16;
DRAWTEXT(ISLASTBAR&&MA20<MA60,C,’空头趋势’),COLORWHITE,ALIGN0,FONTSIZE16;
DRAWTEXT(ISLASTBAR&&MA20=MA60,C,’震荡’),COLORWHITE,ALIGN0,FONTSIZE16;
