朋友送给我的一个指标，听他说可以买在低位卖在高位。

MA20:=MA(CLOSE,20);
 AA10:=MA(CLOSE,8),COLOR0000FF;
中期大底:LLV(LOW,30),COLORCDFFBB;
支撑:=HHV(EMA(((((OPEN + LOW) + HIGH) + CLOSE) / 4),5),60);
压力一:HHV(LOW,20),COLORFAABEC;
中线:=MA(CLOSE,3);
 DRAWTEXT(FILTER(((((HIGH > 支撑) AND (CLOSE < 支撑)) AND ((CLOSE / OPEN) > (0 - 1.06))) AND (CLOSE < OPEN)),5),(HIGH + 0.02),'←逃'),COLOR00FFFF;
天:=(MA(LOW,15) * 0.985);
人:=(MA(LOW,15) * 0.96);
地:=(((HIGH + LOW) + CLOSE) / 3);
 B1:=HHV(地,(4 * 15));
 B6:=LLV(地,(4 * 15));
 B7:=(B1 - B6);
 B8:=(MA(((地 - B6) / B7),2) * 80);
短期底部:(LLV(HIGH,30) * 0.93),COLOR0000FF;
 MA80:=LLV(HIGH,30);
压力二:=(SMA(HIGH,21,2) * 1.035);
下档线:=(((CLOSE - LLV(LOW,13)) / (HHV(HIGH,13) - LLV(LOW,13))) * 100);
 RSV:=SMA(下档线,3,1);
 K:=SMA(RSV,3,1);
 D:=((3 * RSV) - (2 * K));
 J12:=(((CLOSE - LLV(LOW,55)) / (HHV(HIGH,55) - LLV(LOW,55))) * 100);
 K24:=SMA(SMA(J12,3,1),3,1);
 D24:=((3 * SMA(J12,3,1)) - (2 * K24));
压力位:IF(CROSS(D24,D),HIGH,L),POINTDOT,COLORFFFFFF;
长期底部:LLV(HIGH,30),COLOR00FF00;
 X1:=EMA((((((3 * CLOSE) + HIGH) + LOW) + OPEN) / 6),10);
逃遁:=(SMA(HIGH,21,2) * 1.05);
 STICKLINE((O >= C),C,O,3.3,0),COLORFF5500;
 STICKLINE((O >= C),C,O,2.8,0),COLORFF8800;
 STICKLINE((O >= C),C,O,2.1,0),COLORFFAA00;
 STICKLINE((O >= C),C,O,1.3,0),COLORFFCC00;
 STICKLINE((O >= C),H,L,0.4,0),COLORFFFF00;
 STICKLINE((C >= O),C,O,3.3,0),COLOR000077;
 STICKLINE((C >= O),C,O,2.8,0),COLOR000099;
 STICKLINE((C >= O),C,O,2.1,0),COLOR0000AA;
 STICKLINE((C >= O),C,O,1.3,0),COLOR0000CC;
 STICKLINE((C >= O),H,L,0.4,0),COLOR0000FF;
 STICKLINE(((((C / O) > 1.04) AND (C < 逃遁)) AND ((C - REF(C,1)) > 0)),C,O,3.3,0),COLOR0077FF;
 STICKLINE(((((C / O) > 1.04) AND (C < 逃遁)) AND ((C - REF(C,1)) > 0)),C,O,2.8,0),COLOR0099FF;
 STICKLINE(((((C / O) > 1.04) AND (C < 逃遁)) AND ((C - REF(C,1)) > 0)),C,O,2.1,0),COLOR00AAFF;
 STICKLINE(((((C / O) > 1.04) AND (C < 逃遁)) AND ((C - REF(C,1)) > 0)),C,O,1.3,0),COLOR00CCFF;
 STICKLINE(((((C / O) > 1.04) AND (C < 逃遁)) AND ((C - REF(C,1)) > 0)),H,L,0.4,0),COLOR00FFFF;
 STICKLINE(((((C < REF(C,1)) AND (C < REF(C,1))) AND (H > 逃遁)) AND (C < 逃遁)),C,O,3.3,0),COLOR9933FF;
 STICKLINE(((((C < REF(C,1)) AND (C < REF(C,1))) AND (H > 逃遁)) AND (C < 逃遁)),C,O,2.8,0),COLORFF33FF;
 STICKLINE(((((C < REF(C,1)) AND (C < REF(C,1))) AND (H > 逃遁)) AND (C < 逃遁)),C,O,2.1,0),COLORFF88FF;
 STICKLINE(((((C < REF(C,1)) AND (C < REF(C,1))) AND (H > 逃遁)) AND (C < 逃遁)),C,O,1.3,0),COLORFFAAFF;
 STICKLINE(((((C < REF(C,1)) AND (C < REF(C,1))) AND (H > 逃遁)) AND (C < 逃遁)),H,L,0.4,0),COLORFFCCFF;
 DRAWTEXT(FILTER(((((LLV(LOW,0) AND ((MA(CLOSE,37) - REF(MA(CLOSE,37),1)) > 0)) AND (LOW <= 短期底部)) AND (WINNER(CLOSE) < 0.05)) AND ((CLOSE / OPEN) > 0.13)),7),(LOW - 0.09),'●见底'),COLOR00B2FF