QHLSR 阻力指标：根据量增价涨，量减价跌的走势特征，先计算出实际涨跌幅和理论涨跌幅的差。如果该差值增大，说明盘口较轻，上涨时未遇到较大阻力，下跌势没有也多少支撑；如果该差值减少则正好相反。
用法：
QHL较小的值说明有较强的支撑和阻力，较大值说明较大的支撑和阻力，配合股价走势可以提前预测股价的走势
QHLSR 阻力指标在实战应用中只是判断个股和市场阻力作为参考使用，要灵活结合K线，均线等技术分析综合使用。
pinescript
{通达信QHLSR阻力指标}
N:=20;
M:=5;
VAR1:=REF(HIGH,1);
VAR2:=REF(LOW,1);
VAR3:=REF(CLOSE,1);
VAR4:=REF(OPEN,1);
VAR5:=SUM(MAX(MAX(HIGH-LOW,ABS(HIGH-VAR3)),ABS(LOW-VAR3)),N);
VAR6:=HIGH-REF(HIGH,1);
VAR7:=REF(LOW,1)-LOW;
VAR8:=SUM(IF(VAR6>0 AND VAR6>VAR7,VAR6,0),N);
VAR9:=SUM(IF(VAR7>0 AND VAR7>VAR6,VAR7,0),N);
VAR10:=VAR8/VAR5*100;
VAR11:=VAR9/VAR5*100;
VAR12:=MA(ABS(VAR11-VAR10)/(VAR11+VAR10)*100,M);
VAR13:=(VAR12+REF(VAR12,5))/2;
A1:=HHV(HIGH,9)-LLV(LOW,9);
A2:=HHV(HIGH,9)-CLOSE;
A3:=CLOSE-LLV(LOW,9);
A4:=A2/A1*100-70;
A5:=(CLOSE-LLV(LOW,60))/(HHV(HIGH,60)-LLV(LOW,60))*100;
A6:=(2*CLOSE+HIGH+LOW)/4;
A7:=SMA(A3/A1*100,3,1);
A8:=LLV(LOW,34);
A9:=SMA(A7,3,1)-SMA(A4,9,1);
A10:=IF(A9>100,A9-100,0);
A11:=HHV(HIGH,34);
B1:=A10*2;
B2:=EMA((A6-A8)/(A11-A8)*100,13);
B3:=EMA(0.667*REF(B2,1)+0.333*B2,2);
B4:=SMA(MAX(CLOSE-VAR3,0)/CLOSE,8,1)/SMA(ABS(CLOSE-VAR3)/CLOSE,8,1)*100;
B5:=EMA(IF(LOW<=A8,(B2+B3*2)/2,0),3)/618;
B6:=IF(B5>50,50,B5);
B7:=EMA(CLOSE,5);
B8:=(CLOSE-MA(CLOSE,34))/MA(CLOSE,34)*10;
LWR1:=SMA(MAX(CLOSE-VAR3,0),6,1)/SMA(ABS(CLOSE-VAR3),6,1)*100;
阻力:IF(B8<=-10,B6,0),COLORRED,LINETHICK2;
支撑:IF(B8>=10 AND LWR1>=80,100,0),COLORGREEN,LINETHICK2;
STICKLINE(阻力>0,0,阻力,3,0),COLORRED;
STICKLINE(支撑>0,100,支撑,3,0),COLORGREEN;
