股价运行于趋势线之间，当股价上碰压力线时可卖出，股价下碰支撑线时可暂时持有。

MA5:EMA(CLOSE,5);
 MA10:EMA(C,10);
 MA20:EMA(CLOSE,20);
 VAR1A:=(REF(HIGH,1)+REF(LOW,1))/2;
压力线:MA(CLOSE,20)+2*STD(CLOSE,20);
支撑线:MA(CLOSE,21)-2.2*STD(CLOSE,21),coloryellow;
 VAR2A:=CROSS(VAR1A,压力线);
VAR3A:=REF(CLOSE,1);
 VAR4A:=SMA(MAX(CLOSE-VAR3A,0),7,1)/SMA(ABS(CLOSE-VAR3A),7,1)*100;
 VAR5A:=CROSS(79,VAR4A);
 VAR6A:=FILTER(VAR5A,4);
 DRAWICON(FILTER(VAR6A OR VAR2A,5),HIGH*1.035,2);
 DRAWTEXT(FILTER(VAR6A OR VAR2A,5),HIGH*1.02,'卖'),coloryellow;
 VAR7A:=FILTER( MA5>REF(MA5,1)AND MA10>REF(MA10,1)AND MA20>REF(MA20,1)AND MA5<MA10,5);
 VAR8A:=FILTER(HHVBARS(H,13)/C>2 AND MA5>REF(MA5,1)AND MA5<MA10,7);
 VAR9A:=REF(L,2)<支撑线 AND L>支撑线 AND C>O AND MA5>REF(MA5,1);
 DRAWICON(FILTER(VAR7A OR VAR8A OR VAR9A,5)AND VAR4A<45,L,1);
 DRAWTEXT(FILTER(VAR7A OR VAR8A OR VAR9A,5)AND VAR4A<45,L,'买'),colorred;
 DRAWICON(CROSS(10,VAR4A),L,3);
 VAR1:=CLOSE>REF(CLOSE,1) AND CLOSE>REF(CLOSE,2);
 VAR2:=REF(VAR1,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR3:=REF(VAR2,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VAR4:=REF(VAR3,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR5:=REF(VAR4,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VAR6:=REF(VAR5,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR7:=REF(VAR6,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VAR8:=REF(VAR7,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR9:=REF(VAR8,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VARA:=REF(VAR9,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VARB:=REF(VARA,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VARC:=REF(VARB,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
涨:STICKLINE(VAR1 OR VAR2 OR VAR3 OR VAR4 OR VAR5 OR VAR6 OR VAR7 OR VAR8 OR VAR9 OR VARA OR VARB OR VARC,CLOSE,REF(CLOSE,1),3,1),colorred;
 VARD:=CLOSE<REF(CLOSE,1) AND CLOSE<REF(CLOSE,2);
 VARE:=REF(VARD,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VARF:=REF(VARE,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR10:=REF(VARF,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VAR11:=REF(VAR10,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR12:=REF(VAR11,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VAR13:=REF(VAR12,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR14:=REF(VAR13,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VAR15:=REF(VAR14,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR16:=REF(VAR15,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
 VAR17:=REF(VAR16,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
 VAR18:=REF(VAR17,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
跌:STICKLINE(VARD OR VARE OR VARF OR VAR10 OR VAR11 OR VAR12 OR VAR13
 OR VAR14 OR VAR15 OR VAR16 OR VAR17 OR VAR18,CLOSE,REF(CLOSE,1),3,0),COLORFF8080;
 VAR19:=REF(VARD OR VARE OR VARF OR VAR10 OR VAR11 OR VAR12 OR VAR13 OR VAR14 OR VAR15 OR VAR16 OR VAR17 OR VAR18,1) AND VAR1;
底:STICKLINE(VAR19,REF(CLOSE,1),REF(CLOSE,2),3,0),coloryellow;
 VAR1B:=REF(VAR1 OR VAR2 OR VAR3 OR VAR4 OR VAR5 OR VAR6 OR VAR7 OR VAR8 OR VAR9 OR VARA OR VARB OR VARC,1) AND VARD;
顶:STICKLINE(VAR1B,REF(CLOSE,1),REF(CLOSE,2),3,0),colorwhite;
 A:=BARSCOUNT(C);
 AH:=HHV(H,72);
 AL:=LLV(L,72);
 A0:=(AH-AL)/21;
 B1:=L-A0;
 STICKLINE((A+0)/13=FLOOR((A+0)/13),B1,B1-3*A0,1,0);
 DRAWTEXT((A+0)/13=FLOOR((A+0)/13),B1-5.5*A0,'转向'),colorwhite;