指標代碼分析及使用參考建議:

根據給出的代碼，可以看出該指標是基于K線圖形態分析和均線系統構建的。下面是對指標的簡要總結思路和操作建議：

1. 高點和低點的判斷：通過一系列條件篩選，得到短期、中期和長期的壓力位和支撐位，并在圖表上進行標注。這些位點可以作為觸發買賣信號的參考。

2. OBV指標：OBV指標用于衡量成交量與價格的關系，根據OBV值的變化來判斷價格走勢的強弱。建議關注OBV的MA線和指標的背離情況。

3. MACD指標：MACD指標通過計算快速線（DIFF）和慢速線（DEA）之間的差值，并與其移動平均線一起表示，用于判斷價格的趨勢和轉折點。建議關注DIFF和DEA的金叉和死叉信號。

4. 均線系統：使用18日和30日的移動均線來判斷多頭和空頭趨勢。當DIFF大于DEA時，表示多頭趨勢；當DIFF小于等于DEA時，表示空頭趨勢。

5. 分型指標：根據最高點和最低點的計算公式，得到分割位點，并在圖表上進行標注。這些位點可以作為支撐和阻力位的參考。

操作建議：根據上述指標的信號進行買賣操作，例如在多頭趨勢確認時買入，空頭趨勢確認時賣出；關注價格與均線的關系，當價格向上穿越均線時可買入，向下穿越均線時可賣出；結合分型指標和壓力支撐位的情況，判斷買入和賣出的時機。

需要注意的是，以上僅為指標分析的簡要總結思路和操作建議，實際操作時應結合其他技術指標、市場狀況和個人風險偏好進行綜合判斷。同時，建議在實際交易中謹慎操作，量力而行，設置好止損和止盈策略，避免過度交易和盲目跟從指標信號。

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源碼：

DRAWTEXTEX(1,0,10,3,'☆紅K持倉,祿K清倉.'),COLORWHITE;
a:=SMA(SMA((CLOSE-LLV(LOW,243))/(HHV(HIGH,243)-LLV(LOW,243))*100,7,1),5,1);
b:=SMA((CLOSE-LLV(LOW,243))/(HHV(HIGH,243)-LLV(LOW,243))*100,7,1)*16.18-a*12;
d:=cross(b,a);
DRAWICON(d,LOW,4);
DRAWTEXT(d,LOw,'←大盤見底了! ')coloryellow;
{input: N(10,1,100);
A1:=ref(h,N)=hhv(h,2*N+1);
B1:=filter(A1,N);
C1:=backset(B1,N+1);
D1:=filter(C1,n);{高點}
A2:=ref(l,N)=llv(l,2*N+1);
B2:=filter(A2,N);
C2:=backset(B2,N+1);
D2:=filter(C2,N);{低點}
E1:=(ref(llv(l,2*N),1)+ref(hhv(h,2*N),1))/2; E2:=(h+l)/2;{高低點出現在同一K線上時可作取舍}
H1:=(D1 AND not(D2 AND E1>=E2)) OR barstatus=2 OR barscount(c)=1;
L1:=(D2 AND not(D1 AND E1<E2)); H2:=D1 AND not(D2 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);{過濾后低點}
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);{過濾后高點}
R1:=backset(barstatus=2,barslast(HD)+1); S1:=R1>ref(R1,1); {前一高}
T1:=backset(barstatus=2,barslast(LD)+1); U1:=T1>ref(T1,1); {前一低}
R2:=backset(S1,ref(barslast(HD),1)+2); S2:=R2>ref(R2,1); {前二高}
T2:=backset(U1,ref(barslast(LD),1)+2); U2:=T2>ref(T2,1); {前二低}
T3:=backset(U2,ref(barslast(LD),1)+2); U3:=T3>ref(T3,1); {前三低}
T4:=backset(U3,ref(barslast(LD),1)+2); U4:=T4>ref(T4,1); {前四低}
R3:=backset(S2,ref(barslast(HD),1)+2); S3:=R3>ref(R3,1); {前三高}
R4:=backset(S3,ref(barslast(HD),1)+2); S4:=R4>ref(R4,1); {前四高}
短期壓力:drawline(S2,h,S1,h,1),Colorred,linedot;
短期支撐:drawline(U2,l,U1,l,1),Colorblue,linedot;
中期壓力:drawline(S3,h,S2,h,1),Coloryellow,linedot;
中期支撐:drawline(U3,l,U2,l,0),Colormagenta,linedot;
長期壓力:drawline(S4,h,S3,h,1),COLORwhite,linedot;
長期支撐:drawline(U4,l,U3,l,0),Colorgreen,linedot;
DRAWICON(S1,H*1.01,5);
DRAWICON(S2,H*1.01,5);
DRAWICON(S3,H*1.01,5);
DRAWICON(S4,H*1.01,5);
DRAWICON(U1,L*0.99,4);
DRAWICON(U2,L*0.99,4);
DRAWICON(U3,L*0.99,4);
DRAWICON(U4,L*0.99,4);}
OBV:=MA(SUM(IF(CLOSE>REF(CLOSE,1),VOL,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0)/25000,1);
obve:=ema(obv,3);
DIFF := EMA(obve,12) - EMA(obve,26);
bbDIFF:=DIFF-ref(DIFF,1);
DEA := EMA(DIFF,9);
bbDEA:=DEA-ref(DEA,1);
{MACD : 2*(DIFF-DEA), COLORSTICK;}
{DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIFF,9);}
MA18:=MA(CLOSE,18),colorFFFFFF;
MA30:=MA(CLOSE,30),colorFFFF;
多頭:STICKLINE(DIFF>DEA,CLOSE,OPEN,3,0),colorFF;
STICKLINE(DIFF>DEA,HIGH,LOW,0,0),colorFF;
空頭:STICKLINE(DIFF<=DEA,CLOSE,OPEN,3,0),colorFFFF00;
STICKLINE(DIFF<=DEA,HIGH,LOW,0,0),colorFFFF00;
DRAWTEXT(CROSS(bbDIFF,bbDEA),LOW-0.2,'。買入'),colorFF;
DRAWTEXT(CROSS(bbDEA,bbDIFF),HIGH*1.03,'賣\n↓'),colorFF00,align;
VERTLINE(CROSS(bbDIFF,bbDEA)),LINEDOT,COLORred;
VERTLINE(CROSS(bbDEA,bbDIFF)),LINEDOT,COLORGREEN;{http://www.weiqiv.net.cn}
CXH6:=REF(C,1);
CXH7:=SMA(MAX(C-CXH6,0),6,1)/SMA(ABS(C-CXH6),6,1)*100;
DRAWTEXT(CROSS(82,CXH7),H*1.08,'逃\n頂\n▼'),COLORGREEN,align;
VERTLINE(CROSS(82,CXH7)),LINEDOT,COLORblue;
{AS:=(MA(CLOSE,3)+MA(CLOSE,6)+MA(CLOSE,12)+MA(CLOSE,24)+MA(CLOSE,48))/5;
AA:=SMA(CLOSE,3,1);}
STICKLINE(bbDIFF>bbDEA AND CLOSE>=OPEN,HIGH,LOW,0.1,1),colorFF;
STICKLINE(bbDIFF>bbDEA AND CLOSE>=OPEN,CLOSE,OPEN,8,1),colorFF;
STICKLINE(bbDIFF>bbDEA AND CLOSE<OPEN,HIGH,LOW,0.1,0),colorFF;
STICKLINE(bbDIFF>bbDEA AND CLOSE<OPEN,CLOSE,OPEN,8,0),colorFF;
STICKLINE(bbDIFF<=bbDEA AND CLOSE>=OPEN,HIGH,LOW,0.1,1),colorFF00;
STICKLINE(bbDIFF<=bbDEA AND CLOSE>=OPEN,CLOSE,OPEN,8,1),colorFF00;
STICKLINE(bbDIFF<=bbDEA AND CLOSE<OPEN,HIGH,LOW,0.1,0),colorFF00;
STICKLINE(bbDIFF<=bbDEA AND CLOSE<OPEN,CLOSE,OPEN,8,0),colorFF00;
黃:=SYSPARAM(3);
金:=((黃 - SYSPARAM(2)) + 1);
分:=HHV(HIGH,金);
割:=LLV(LOW,金);
最高:分[黃],LINETHICK2,colorFF;
最低:割[黃],LINETHICK2,colorFF00;
分一:(((最高 - 最低) * 0.191) + 最低),LINEDOT,colorFF00FF;
分二:(((最高 - 最低) * 0.382) + 最低),LINEDOT,colorFF00FF;
中:(((最高 - 最低) * 0.5) + 最低),LINEDASHDOT,colorFFFF;
分四:(((最高 - 最低) * 0.618) + 最低),LINEDOT,colorFF00FF;
分五:(((最高 - 最低) * 0.809) + 最低),LINEDOT,colorFF00FF;
DIFF:=(0 - LOG(MINDIFF));
DRAWTEXT((BARPOS = SYSPARAM(2)),最高,('最高' + NUMTOSTR(最高,DIFF))),colorFF00;
DRAWTEXT((BARPOS = SYSPARAM(2)),最低,('最低' + NUMTOSTR(最低,DIFF))),colorFF00;
DRAWTEXT((BARPOS = SYSPARAM(2)),分一,('分一(0.191)' + NUMTOSTR(分一,DIFF))),colorFF00;
DRAWTEXT((BARPOS = SYSPARAM(2)),分二,('分二(0.382)' + NUMTOSTR(分二,DIFF))),colorFF00;
DRAWTEXT((BARPOS = SYSPARAM(2)),中,('中(0.5)' + NUMTOSTR(中,DIFF))),colorFF00;
DRAWTEXT((BARPOS = SYSPARAM(2)),分四,('分四(0.608)' + NUMTOSTR(分四,DIFF))),colorFF00;
DRAWTEXT((BARPOS = SYSPARAM(2)),分五,('分五(0.809)' + NUMTOSTR(分五,DIFF))),colorFF00;
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