十年练一剑
ma8:ma(close,8),color00ffff,linethick1;

ma1000:ma(close,1000),colorf00ff0,linethick1;
ma2000:ma(close,2000),color00ff00,linethick1;
ma2500:ma(close,2500),color00ffff,linethick1;


angel:ema(c,2),color000000;
devil:ema(slope(c,21)*20+c,42),pointdot,color000000;
buy:=cross(angel,devil);
sel:=cross(devil,angel);

drawtext(buy,low*0.98,'A买'),colorf00ff0,linethick2;
drawtext(sel,high*1.02,'V卖'),color00ff00,linethick2;