编写标准：
编写方式 ：网民求助：
写一个“B”点选股公式，我想问一下B点是否有未来函数？公式计算以下：
MA3:MA(CLOSE,5),PRECIS2;
MA7:MA(CLOSE,10),PRECIS2;
MA18:MA(CLOSE,18),PRECIS2;
MA30:MA(CLOSE,30),PRECIS2;
MA55:MA(CLOSE,60),PRECIS2;
MA144:MA(CLOSE,120),PRECIS2;
{气球花}
FILLRGN(MA55,MA144,MA55>MA144,RGB(86,0,0),MA55<MA144,RGB(0,86,0)),LAYER7;
FILLRGN(MA3,MA7,MA3>MA7,RGB(128,0,128),MA3<MA7,RGB(20,92,100)),LAYER7;
{DRAWTEXTREL(0,980,'【绵绵细雨无音自购指标值】'),Color999933,linethick1;}
A:=BARSLAST(DISPSTATUS=1) 1; HH:=HHV(H,A); LL:=LLV(L,A);
增涨:BARSSINCE(BACKSET(DISPSTATUS=2,BARSLAST(L=LL) 1)),COLOR3333CC,linethick0;
↑室内空间％:(C/REF(L,增涨)-1)*100,COLOR339999,linethick0;
最大％:(HHVALL(HH)/REF(L,增涨)-1)*100,COLORDD66DD,linethick0;
下挫:BARSSINCE(BACKSET(DISPSTATUS=2,BARSLAST(H=HH) 1)),COLOR008800,linethick0;
↓室内空间％:(C/REF(H,下挫)-1)*100,COLOR998888,linethick0;
最少％:(LLVALL(LL)/REF(H,下挫)-1)*100,COLORFF9900,linethick0;
DRAWTEXTABS(40,26,'流通股本：' CAPITAL/1000000 '每股公积金，盈利提高：' FINANCE2(10) '%。每股净资产：' FINANCE2(3) '元' ' 市净率：' DYNAINFO(39) '%'),ColorFFBB33,linethick1,LAYER6;
{交易标示}
Var0:=SMA(MAX(CLOSE-ref(c,1),0),12,1)/SMA(ABS(CLOSE-ref(c,1)),15,1)*100;
DRAWTEXT(CROSS(82,Var0),high,'卖'),colorwhite;
s:=C-REF(C,1);
DX:=100*EMA(EMA(s,6),6)/EMA(EMA(ABS(s),6),6);
买:=IF(LLV(DX,2)=LLV(DX,7) AND COUNT(DX<0,2) AND CROSS(DX,MA(DX,2)),1,0);
DRAWTEXT(filter(买=1,5),LOW-0.03,'升'),ColorFFDE00;
da:=(EMA(C,1) EMA(C,2) EMA(C,3) EMA(C,4))/4;
db:=(EMA(C,10) EMA(C,20) EMA(C,40) EMA(C,80))/4;
DRAWTEXT(CROSS(da-db,0),L*0.99,'B'),ALIGN1,VALIGN0,COLOR00FFFF,linethick5;
JH:=SMA(MAX(C-REF(C,1),0),5,1)/SMA(ABS(C-REF(C,1)),5,1)*100;
DRAWTEXT(CROSS(84,JH),H*1.02,'S'),ALIGN1,VALIGN0,COLORGREEN,linethick4;
YC:=REF(CLOSE,1);
止损价位:(YC*1.0035*97 0.2)/99.65,PRECIS2,ColorFFCC33,LINETHICK0;
菜盘:CAPITAL/1000000,linethick0;
菜盘1:CAPITAL/100,linethick0;
菜盘2:FINANCE2(37),linethick0;
{空缺}
STICKLINE(L>REF(H,1),L,REF(H,1),50,1001),Color408080;
STICKLINE(REF(L,1)>H,ref(L,1),H,50,1001),Color808040;
DRAWTEXT(L>REF(H,1),REF(H,1),NUMTOSTRN(REF(H,1),2) '-' NUMTOSTRN(L,2)),Color408080;
DRAWTEXT(REF(L,1)>H,REF(L,1),NUMTOSTRN(ref(l,1),2) '-' NUMTOSTRN(h,2)),VALIGN2,Color808040;
{K线}
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,7,0),COLOR5454FF;
STICKLINE(CLOSE<OPEN,CLOSE,OPEN,7,0),COLORFFFF00;
STICKLINE(CLOSE>OPEN,HIGH,CLOSE,0.1,0),COLOR5454FF;
STICKLINE(CLOSE>OPEN,LOW,OPEN,0.1,0),COLOR5454FF;
STICKLINE(CLOSE<OPEN,HIGH,OPEN,0.1,0),COLORFFFF00;
STICKLINE(CLOSE<OPEN,LOW,CLOSE,0.1,0),COLORFFFF00;
STICKLINE(CLOSE=OPEN AND CLOSE>REF(CLOSE,1),CLOSE,OPEN,7,0),COLOR5454FF;
STICKLINE(CLOSE=OPEN AND CLOSE<=REF(CLOSE,1),CLOSE,OPEN,7,0),COLORFFFF00;
STICKLINE(CLOSE=OPEN AND CLOSE>REF(CLOSE,1),HIGH,LOW,0.1,0),COLOR5454FF;
STICKLINE(CLOSE=OPEN AND CLOSE<=REF(CLOSE,1),HIGH,LOW,0.1,0),COLORFFFF00;
{操作提示}
平均价:=(3*C H L O)/6;
VAR1:=(8*平均价 7*REF(平均价,1) 6*REF(平均价,2) 5*REF(平均价,3)
4*REF(平均价,4) 3*REF(平均价,5) 2*REF(平均价,6) REF(平均价,8))/36;
VAR2:=(LLV(VAR1,2) LLV(VAR1,4) LLV(VAR1,6))/3;
SZ1:=REF(VAR1,1)=REF(VAR2,1) AND VAR1>VAR2 AND CLOSE>VAR1;
SZ2:=VAR1>VAR2 AND VAR1>REF(VAR1,1) AND VAR2>REF(VAR2,1)
AND H/VAR1<1.1 AND L>VAR2 AND CLOSE>VAR1;
SZ3:=VAR1>VAR2 AND VAR1>REF(VAR1,1) AND VAR2>=REF(VAR2,1) AND H/VAR1>1.1;
SZ4:=VAR1>VAR2 AND VAR1>REF(VAR1,1) AND VAR2>REF(VAR2,1)
AND CLOSE>VAR2 AND CLOSE<VAR1;
SZ5:=(VAR1>VAR2 AND VAR2>REF(VAR2,1) AND VAR1<>REF(VAR1,1)
AND CLOSE<VAR2) OR (VAR1>VAR2 AND VAR1<REF(VAR1,1)
AND VAR2<REF(VAR2,1) AND CLOSE<VAR2);;
SZ6:=REF(VAR1,1)>REF(VAR2,1) AND VAR1=VAR2 AND CLOSE<VAR2;
XD1:=VAR1=VAR2 AND CLOSE<VAR2 OR (VAR1<REF(VAR1,1) AND VAR2<REF(VAR2,1)
AND REF(VAR1,1)=REF(VAR2,1) AND CLOSE<VAR2);
XD2:=VAR1=VAR2 AND CLOSE>VAR1;
SAT:=(AMOUNT/C)/(HHV(AMOUNT,20)/HHV(C,20));
量比对比度:=IF(SAT>1,1,SAT)*100;
IF BARSTATUS=2 AND SZ1 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：调节完毕股票短线干预'),COLORRED,linethick3;
END
ELSE
IF BARSTATUS=2 AND SZ2 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：升高安全通道行情优良'),COLORRED,linethick3;
END
ELSE
IF BARSTATUS=2 AND SZ3 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：股票价格偏移留意调节'),COLORRED,linethick3;
END
ELSE
IF BARSTATUS=2 AND SZ4 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：升高安全通道调节震仓'),COLORGREEN,linethick3;
END
ELSE
IF BARS TATUS=2 AND SZ5 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：转向特征注意离场'),COLORGREEN,linethick3;
END
ELSE
IF BARSTATUS=2 AND SZ6 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：通道改变坚决离场'),COLORGREEN,linethick3;
END
ELSE
IF BARSTATUS=2 AND XD1 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：下跌通道只宜观望'),COLORGREEN,linethick3;
END
ELSE
IF BARSTATUS=2 AND XD2 THEN BEGIN
DRAWTEXTABS(40,48,'操作提示：短期底部准备进入'),COLORYELLOW,linethick3;
END;
解答如下：
DA:=(EMA(C,1)+EMA(C,2)+EMA(C,3)+EMA(C,4))/4;
DB:=(EMA(C,10)+EMA(C,20)+EMA(C,40)+EMA(C,80))/4;
CROSS(DA-DB,0);
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