一、下跌转上涨模式：
　　①转折点：均线空头排列（即50线>20线>10线），10日均线上穿20日均线时进入观察期；
　　②买入区域：10、20、50日均线多头排列（即10线>20线>50线）股价在均线之上；
　　③持有：股价沿10日均线上行，可一路持有。

注：横盘转上涨模式有技术问题没有解决。暂时空缺。

{3均线锁牛股主图}
MA10: MA(CLOSE,10),COLORGREEN;
MA20: MA(CLOSE,20),COLORYELLOW;
MA50: MA(CLOSE,50),COLORCC66CC;
MA50A:IF(MA10>MA20 AND MA20>MA50,MA50,DRAWNULL),COLORRED,LINETHICK1;

MAA:=MAX(MA20,MA50);
买点0:=COUNT(MA10>MA20 AND MA20>MA50,5);
买点2:=COUNT(MA10>MA20 AND MA20>MA50,1);
买点3:=COUNT(MA50>MA20 AND MA20>MA10,1);
买点1:=BARSLAST(REF(买点3,1)=1 AND CROSS(MA10,MA20) AND C/REF(C,1)>=1.0);
转势1:=COUNT(REF(买点3,1)=1 AND CROSS(MA10,MA20) AND C/REF(C,1)>=1.0,21);
买点4:=COUNT(CROSS(MA10,MA20),3);
买点5:=COUNT(CROSS(MA10,MA50),3);
DRAWTEXT( REF(买点3,1)=1 AND CROSS(MA10,MA20) AND C/REF(C,1)>=1.0 ,L-0.37,'↖转势'),COLORBBBBBB;
DRAWTEXT((买点1<=34 AND 转势1>=1  AND C/REF(C,买点1)<=1.25 AND 转势1<=21 AND MA10>=REF(MA10,1) AND
MA10>MA20 AND MA20>MA50 AND  买点0>=1 AND CROSS(C,MA10)) OR(买点1<=34 AND 买点4>=1 AND 买点5>=1 AND
C>MA10)OR (REF(买点3,1)=1 AND CROSS(MA10,MA20) AND C/REF(C,1)>=1.09),L-0.27,'●'),COLORDDDDDD;

{3均线锁牛股选股}
MA10:= MA(CLOSE,10),COLORGREEN;
MA20:= MA(CLOSE,20),COLORYELLOW;
MA50:= MA(CLOSE,50),COLORCC66CC;
MA50A:=IF(MA10>MA20 AND MA20>MA50,MA50,DRAWNULL),COLORRED,LINETHICK1;

MAA:=MAX(MA20,MA50);
买点0:=COUNT(MA10>MA20 AND MA20>MA50,5);
买点2:=COUNT(MA10>MA20 AND MA20>MA50,1);
买点3:=COUNT(MA50>MA20 AND MA20>MA10,1);
买点1:=BARSLAST(REF(买点3,1)=1 AND CROSS(MA10,MA20) AND C/REF(C,1)>=1.0);
转势1:=COUNT(REF(买点3,1)=1 AND CROSS(MA10,MA20) AND C/REF(C,1)>=1.0,21);
买点4:=COUNT(CROSS(MA10,MA20),3);
买点5:=COUNT(CROSS(MA10,MA50),3);
 DRAWTEXT((买点1<=34 AND 转势1>=1  AND C/REF(C,买点1)<=1.25 AND 转势1<=21 AND MA10>=REF(MA10,1) AND MA10>MA20 AND MA20>MA50 AND  买点0>=1 AND CROSS(C,MA10))
OR(买点4>=1 AND 买点5>=1 AND C>MA10)OR (REF(买点3,1)=1 AND CROSS(MA10,MA20) AND C/REF(C,1)>=1.09),L-0.27,'●'),COLORDDDDDD;