现货交易到底有多难？

9368pww

Q2:=(CLOSE-LLV(LOW, 18))/(HHV(HIGH, 18)-LLV(LOW, 18))*100;
Q3:=SMA(Q2, 9, 1);
Q4:=SMA(Q3, 3, 1);
快线:3*Q3-2*Q4,COLORWHITE,LINETHICK2;
趋势线:EMA(Q3, 3),COLORRED,LINETHICK1;
DRAWTEXT(CROSS(趋势线, 快线) AND REF(快线,1)>80, REF(快线,3), '顶'),COLORRED,LINETHICK5;
逢低买: DRAWTEXT(REF(CROSS(趋势线,快线),82) AND 趋势线>1.3*快线,快线,'逢低买'),LINETHICK1;
买: DRAWTEXT(REF(CROSS(快线,趋势线),1) AND 快线>1.3*趋势线,趋势线,'买'),COLORRED,LINETHICK1;
{VAR3:=(3,15,1)<10;
VAR5:=IF(VAR3=1,2,0);
顶:= IF(VAR5=2,2,0);}
金叉:= CROSS(快线,趋势线);
DRAWTEXT(金叉,趋势线,'★'),COLORRED;