_SECTION_BEGIN("Intraday Pivot");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) Vol " +WriteVal( V, 1.0 ) +"
{{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 )) ));
Plot( C, "Close", ParamColor("Color", colorBlack ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
H1=SelectedValue( TimeFrameGetPrice( "H", inDaily, -1 ));
L1=SelectedValue(TimeFrameGetPrice( "L", inDaily, -1 ));
C1=SelectedValue(TimeFrameGetPrice( "C", inDaily, -1 ));
DayO = SelectedValue(TimeFrameGetPrice("O", inDaily)); // current day open
//PP = Pr High + Pr Low + Pr Close;
//High1 = ((((Pr Close + Pr High)/2)/3)*2) + (TodayOpen /3) ;
//Low1 = ((((Pr Close + Pr Low)/2)/3)*2) + (TodayOpen /3) ;
// Pivot Point Calculation /////////
High1=((((C1 + H1)/2)/3)*2) + (DayO /3) ;
Low1 = ((((C1 + L1)/2)/3)*2) + (DayO /3) ;
High2= High1 + (High1- Low1);
Low2 = Low1 - (High1- Low1);
Plot (High1,"H1",colorRed,styleLine|styleNoRescale);
Plot (High2,"H2",colorRed,styleLine|styleNoRescale);
Plot (Low1,"L1",colorBlue,styleLine|styleNoRescale);
Plot (Low2,"L2",colorBlue,styleLine|styleNoRescale);
_SECTION_END();
_SECTION_BEGIN("PVTS BS");
/* **********************************
Code to automatically identify pivots
********************************** */
// -- what will be our lookback range for the hh and ll?
farback = 140; //How Far back to go
nBars = 12; //Number of bars
// -- Create 0-initialized arrays the size of barcount
aHPivs = H - H;
aLPivs = L - L;
// -- More for future use, not necessary for basic plotting
aHPivHighs = H - H;
aLPivLows = L - L;
aHPivIdxs = H - H;
aLPivIdxs = L - L;
nHPivs = 0;
nLPivs = 0;
lastHPIdx = 0;
lastLPIdx = 0;
lastHPH = 0;
lastLPL = 0;
curPivBarIdx = 0;
// -- looking back from the current bar, how many bars
// back were the hhv and llv values of the previous
// n bars, etc.?
aHHVBars = HHVBars( H, nBars );
aLLVBars = LLVBars( L, nBars );
aHHV = HHV( H, nBars );
aLLV = LLV( L, nBars );
// -- Would like to set this up so pivots are calculated back from
// last visible bar to make it easy to "go back" and see the pivots
// this code would find. However, the first instance of
// _Trace output will show a value of 0
aVisBars = Status( "barvisible" );
nLastVisBar = LastValue( Highest( IIf( aVisBars, BarIndex(), 0 ) ) );
_TRACE( "Last visible bar: " + nLastVisBar );
// -- Initialize value of curTrend
curBar = ( BarCount - 1 );
curTrend = "";
if ( aLLVBars[curBar] < aHHVBars[curBar] )
{
curTrend = "D";
}
else
{
curTrend = "U";
}
// -- Loop through bars. Search for
// entirely array-based approach
// in future version
for ( i = 0; i < BarCount; i++ )
{
curBar = ( BarCount - 1 ) - i;
// -- Have we identified a pivot? If trend is down...
if ( aLLVBars[curBar] < aHHVBars[curBar] )
{
// ... and had been up, this is a trend change
if ( curTrend == "U" )
{
curTrend = "D";
// -- Capture pivot information
curPivBarIdx = curBar - aLLVBars[curBar];
aLPivs[curPivBarIdx] = 1;
aLPivLows[nLPivs] = L[curPivBarIdx];
aLPivIdxs[nLPivs] = curPivBarIdx;
nLPivs++;
}
// -- or current trend is up
}
else
{
if ( curTrend == "D" )
{
curTrend = "U";
curPivBarIdx = curBar - aHHVBars[curBar];
aHPivs[curPivBarIdx] = 1;
aHPivHighs[nHPivs] = H[curPivBarIdx];
aHPivIdxs[nHPivs] = curPivBarIdx;
nHPivs++;
}
// -- If curTrend is up...else...
}
// -- loop through bars
}
// -- Basic attempt to add a pivot this logic may have missed
// -- OK, now I want to look at last two pivots. If the most
// recent low pivot is after the last high, I could
// still have a high pivot that I didn't catch
// -- Start at last bar
curBar = ( BarCount - 1 );
candIdx = 0;
candPrc = 0;
lastLPIdx = aLPivIdxs[0];
lastLPL = aLPivLows[0];
lastHPIdx = aHPivIdxs[0];
lastHPH = aHPivHighs[0];
if ( lastLPIdx > lastHPIdx )
{
// -- Bar and price info for candidate pivot
candIdx = curBar - aHHVBars[curBar];
candPrc = aHHV[curBar];
if (
lastHPH < candPrc AND
candIdx > lastLPIdx AND
candIdx < curBar )
{
// -- OK, we'll add this as a pivot...
aHPivs[candIdx] = 1;
// ...and then rearrange elements in the
// pivot information arrays
for ( j = 0; j < nHPivs; j++ )
{
aHPivHighs[nHPivs-j] = aHPivHighs[nHPivs- ( j+1 )];
aHPivIdxs[nHPivs-j] = aHPivIdxs[nHPivs-( j+1 )];
}
aHPivHighs[0] = candPrc ;
aHPivIdxs[0] = candIdx;
nHPivs++;
}
}
else
{
// -- Bar and price info for candidate pivot
candIdx = curBar - aLLVBars[curBar];
candPrc = aLLV[curBar];
if (
lastLPL > candPrc AND
candIdx > lastHPIdx AND
candIdx < curBar )
{
// -- OK, we'll add this as a pivot...
aLPivs[candIdx] = 1;
// ...and then rearrange elements in the
// pivot information arrays
for ( j = 0; j < nLPivs; j++ )
{
aLPivLows[nLPivs-j] = aLPivLows[nLPivs-( j+1 )];
aLPivIdxs[nLPivs-j] = aLPivIdxs[nLPivs-( j+1 )];
}
aLPivLows[0] = candPrc;
aLPivIdxs[0] = candIdx;
nLPivs++;
}
}
PlotShapes( IIf( aHPivs == 1, shapeHollowSmallCircle, shapeNone ), colorRed, 0, High, Offset = 7 );
PlotShapes( IIf( aLPivs == 1, shapeHollowSmallCircle , shapeNone ), colorBlue, 0, Low, Offset = -12 );
_SECTION_END();
