Svapo Oscillator Code

   BullCharts formulaaah

[Description='SVAPO is an indicator presented by Sylvain Vervoort in the Nov 07 issue of the Stocks & Commodities magazine.
This indicator combines price and volume information into a Short-Term Volume And Price Oscillator.]
{heikin ashi closing average haCl and input variables} 
haO:=(Ref((O+H+L+C)/4,-1) + PREV)/2; 
haC:=((O+H+L+C)/4+haO+Max(H,haO)+Min(L,haO))/4;
{input SVAPO period and smooth HA closing Price} 
period:= Input("SVAPO period :",20,8); 
sHaC:= Tema(haC,period/1.6,E); 
{input minimum per thousand price change} 
cutoff:= Input("Minimum %o price change :",10,1); 
{Inputs for standard deviation bands} 
devH:= Input("Standard Deviation High :",1.5,0.1); 
devL:= Input("Standard Deviation Low :",1.3,0.1); 
stdevper:= Input("Standard Deviation Period :", 100,100); 
vc:=Ref(Ma(C,period*5,S),-1); 
{Basic trend} 
vtr:=Tema(LinRegSlope(C,period),period); 
{SVAPO result of price only} 
SVAPO:= Tema(sum(if(HaC>(ref(sHaC,-1)*(1+cutoff/10000)) AND BarsSince(vtr>=ref(vtr,-1))<=2,vc, if(sHaC<(ref(sHaC,-1)*(1-cutoff/10000)) AND BarsSince(vtr>ref(vtr,-1))<=2,-vc,0)),period) /(vc+1), period,E);
[color=red]devH*Stdev(SVAPO,stdevper); 
[color=lime green]-devL*Stdev(SVAPO,stdevper); 
[color=black]0;  
[color=blue]SVAPO

Edited by maximo - 14 Mar 2011 at 5:28pm

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maximo Members Profile Send Private Message Find Members Posts Add to Buddy List BullCharts Guru Joined: 02 Sep 2006 Location: Australia Posts: 232	Post Options Post Reply Quote maximo Report Post Quote Reply Topic: Svapo Oscillator Code Posted: 14 Mar 2011 at 5:25pm
	BullCharts formulaaah [Description='SVAPO is an indicator presented by Sylvain Vervoort in the Nov 07 issue of the Stocks & Commodities magazine. This indicator combines price and volume information into a Short-Term Volume And Price Oscillator.] {heikin ashi closing average haCl and input variables} haO:=(Ref((O+H+L+C)/4,-1) + PREV)/2; haC:=((O+H+L+C)/4+haO+Max(H,haO)+Min(L,haO))/4; {input SVAPO period and smooth HA closing Price} period:= Input("SVAPO period :",20,8); sHaC:= Tema(haC,period/1.6,E); {input minimum per thousand price change} cutoff:= Input("Minimum %o price change :",10,1); {Inputs for standard deviation bands} devH:= Input("Standard Deviation High :",1.5,0.1); devL:= Input("Standard Deviation Low :",1.3,0.1); stdevper:= Input("Standard Deviation Period :", 100,100); vc:=Ref(Ma(C,period5,S),-1); {Basic trend} vtr:=Tema(LinRegSlope(C,period),period); {SVAPO result of price only} SVAPO:= Tema(sum(if(HaC>(ref(sHaC,-1)(1+cutoff/10000)) AND BarsSince(vtr>=ref(vtr,-1))<=2,vc, if(sHaC<(ref(sHaC,-1)(1-cutoff/10000)) AND BarsSince(vtr>ref(vtr,-1))<=2,-vc,0)),period) /(vc+1), period,E); [color=red]devHStdev(SVAPO,stdevper); [color=lime green]-devL*Stdev(SVAPO,stdevper); [color=black]0; [color=blue]SVAPO Edited by maximo - 14 Mar 2011 at 5:28pm

wacazac Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 14 Mar 2010 Posts: 4	Post Options Post Reply Quote wacazac Report Post Quote Reply Posted: 13 Mar 2011 at 10:20pm
	Metastock Formular {calculate the heikin-ahhi closing average haCl and get the input variables} haOpen:=(Ref((O+H+L+C)/4,-1) + PREV)/2; haCl:=((O+H+L+C)/4+haOpen+Max(H,haOpen)+Min(L,haOpen))/4; period:= Input("SVAPO period :", 2, 20, 8); cutoff:= Input("Minimum %o price change :",0,10,1); {Inputs for standard deviation bands} devH:= Input("Standard Deviation High :", 0.1, 5, 1.5); devL:= Input("Standard Deviation Low :", 0.1, 5, 1.3); stdevper:= Input("Standard Deviation Period :", 1, 200, 100); {Smooth HaCl closing price} haC:=Tema(haCl,period/1.6); {Medium term MA of Volume to limit extremes and division factor} vave:=Ref(Mov(V,period5,S),-1); vmax:=vave2; vc:=If(V<vmax,V,vmax); {Basic volume trend} vtr:=Tema(LinRegSlope(V,period),period); {SVAPO result of price and volume} SVAPO:=Tema(Sum(If(haC>(Ref(haC,-1)(1+cutoff/1000)) AND Alert(vtr>=Ref(vtr,-1),2), vc, If(haC<(Ref(haC,-1)(1-cutoff/1000)) AND Alert(vtr>Ref(vtr,-1),2),-vc,0)),period)/(vave+1),period); devHStdev(SVAPO,stdevper); -devLStdev(SVAPO,stdevper); zeroref:=0; zeroref; SVAPO ######################{the code appears to be correct to here but the I get error messge "operater expected,not there" can some kind sole correct this code please? declare upper; input SVAPOLength = 8; input MinPctODelta = 1; input STDevHi = 1.5; input STDevLo = 1.3; input STDPeriod = 100; ############################ #Heiken Ashi Data set ############################# def Vclose = (Open + High + Low + Close) / 4; rec Vopen = compoundValue(1, ((open[1] + high[1] + low[1] + close[1]) / 4 + vopen[1]) / 2, hl2); def HaC = TEMA(Vclose, SVAPOLength /1.6); REC vave =(SIMPLeMovingAvg(Volume,SVAPOLength5)[1]); def vMax=vave2; def VC= if (Volume<vMax,Volume,vMax); def VTR=TEMA(LINearRegressionSlope(volume,SVAPOLength),SVAPOLength); plot SVAPO=TEMA(sum (if (HaC>(HaC[1](1+MinPctODelta/1000)) and VTR>=VTR[1],VC, If(haC<(haC[1](1-MinPctODelta/1000)) AND vtr>vtr[1],-VC,0)),SVAPOLength)/(vave+1),SVAPOLength);