股友提问要求：
三线开花，虽然很多人懂，但真正会应用的有几个。
请看原码。谁有选股公式，请奉上。出现“牛象”，或“买点”时。见图。谢谢！
谢谢！ma20:ma(c,20),colorwhite,linethick2;
ma120:ma(c,120),colorffcccc,linethick2;
ma250:ma(c,250),colorffcc66,linethick2;
乖离线:=((c-ref(ma20,1))/20+ma20)*1.20;
tt1:=cross(ma20,ma120) and cross(ma20,ma250) and v>ref(v,1);
tt2:=ma20>ref(ma20,2) and v>ref(v,1) and cross(c,ma20);
STICKLINE(TT1,l,l-0.09,4,0),coloryellow;
DRAWTEXT(TT1,l-0.13,’金叉’),coloryellow;
STICKLINE(cross(c,ma120) and cross(c,ma250) and cross(c,ma20),l,l-0.09,4,0),coloryellow;
DRAWTEXT(cross(c,ma120) and cross(c,ma250) and cross(c,ma20),l-0.13,’并线开花’),coloryellow;
STICKLINE(tt2,l,l-0.09,4,0),coloryellow;
DRAWTEXT(tt2,l-0.13,’买点1′),coloryellow;
STICKLINE(cross(c,乖离线),h,h+0.09,4,0),color00ff00;
DRAWTEXT(cross(c,乖离线) ,h+0.13,’卖点’),color00ff00;
STICKLINE(ma250>=ref(ma250,1) and ma20>=ref(ma20,1) and cross(c,ma250),l,l-0.09,4,0),colorffcc66;
DRAWTEXT(ma250>=ref(ma250,1) and ma20>=ref(ma20,1) and cross(c,ma250),l-0.13,’牛象’),colorffcc66;
STICKLINE(ma120>=ref(ma120,1) and cross(c,ma20) and cross(c,ma120) and v>ref(v,1),l,l-0.09,4,0),colorff00ff;
DRAWTEXT(ma120>=ref(ma120,1) and cross(c,ma20) and cross(c,ma120) and v>ref(v,1),l-0.13,’买点2′),colorff00ff ;
A1:=SUM(AMOUNT,3)/SUM(VOL,3)/100;
A2:=SUM(AMOUNT,8)/SUM(VOL,8)/100;
A3:=SUM(AMOUNT,21)/SUM(VOL,21)/100;
DIFF:=(EMA(CLOSE,12) – EMA(CLOSE,26));
DEA:=EMA(DIFF,9);
MACD:=2*(DIFF-DEA);
V1:=c-(a1+ma(c,3))/2;
V2:=c-(a2+ma(c,8))/2;
V3:=c-(a3+ma(c,21))/2;
Va1:=(C+v3-v1+macd);
Va4:=(C+v2-v1+macd);
短线:EMA(Va1,6),linethick2,Coloryellow;
171415.com解答：
MA20:=MA(C,20);
