用法：粉色通道触碰撑压绿线为买入点，红色压力线触碰黄色通道线为卖出点这里说的触碰是线交集，而股价并未明显上穿或下破线，如果股价已经明显下破或上穿线则说明已经打破支撑或压力，就不存在所谓支撑或压力。 input: N(5,1,100),n1(30),n2(3),p1(15),p2(3);
A1:=ref(h,N)=hhv(h,2*N+1);
B1:=filter(A1,N);
C1:=backset(B1,N+1);
D1:=filter(C1,n);
A2:=ref(l,N)=llv(l,2*N+1);
B2:=filter(A2,N);
C2:=backset(B2,N+1);
D2:=filter(C2,N);
E1:=(ref(llv(l,2*N),1)+ref(hhv(h,2*N),1))/2; E2:=(h+l)/2;
H1:=(D1 AND not(D2 AND E1>=E2)) OR barstatus=2 OR barscount(c)=1;
L1:=(D2 AND not(D1 AND E1=E2);
X1:=ref(barslast(H1),1)+1; F1:=backset(H1 AND count(L1,X1)>0,llvbars
(if(L1,l,10000),X1));
G1:=F1>ref(F1,1); I1:=backset(G1,2); LD:=I1>ref(I1,1);
L2:=LD OR barstatus=2 OR barscount(c)=1;
X2:=ref(barslast(L2),1)+1; F2:=backset(L2 AND count(H2,X2)>0,hhvbars
(if(H2,h,0),X2));
G2:=F2>ref(F2,1); I2:=backset(G2,2); HD:=I2>ref(I2,1);
R1:=backset(barstatus=2,barslast(HD)+1);
S1:=R1>ref(R1,1);
T1:=backset(barstatus=2,barslast(LD)+1);
U1:=T1>ref(T1,1);
R2:=backset(S1,ref(barslast(HD),1)+2);
S2:=R2>ref(R2,1);
T2:=backset(U1,ref(barslast(LD),1)+2);
U2:=T2>ref(T2,1);
短期压力:drawline(S2,h,S1,h,1),Colorred;
短期支撑:drawline(U2,l,U1,l,1),Colorgreen;
UPPERL: MA(HIGH,n1)*(1+p1/100),colorwhite;
UPPERS: MA(HIGH,n2)*(1+p2/100),coloryellow;
LOWERS: MA(LOW,n2)*(1-p2/100),colorff00ff;
LOWERL: MA(LOW,n1)*(1-p1/100),color00ff00;
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