a1:=MA(CLOSE,30);
低估:a1 - (2 * (STD(CLOSE,60))),linethick2;
平衡:MA(CLOSE,60),POINTDOT,linethick4;
高估:a1 + (2 * (STD(CLOSE,60))),linethick2;
a2:=CROSS((MA(CLOSE,5)),a1);
DRAWTEXT((a2 AND (CLOSE > (MA(CLOSE,250)))),(LOW - (LO