Syntax
public static Position EnterAtPrice(this WealthScript obj, Bars bars, int bar, double price, PositionType pType, string signalName)
public Position EnterAtPrice(Bars bars, int bar, double price, PositionType pType, string signalName)
Parameter Description
| Bars | Bars object |
| bar | Bar number on which the position is being created |
| price | Entry price |
| pType | PositionType.Long or PositionType.Short |
| signalName | Signal name |
Description
This function, created by
Robert Sucher, allows to create a new long or short Position at a specified price. It can be helpful in some strategies for backtesting entries made at specific price levels. A key component in Wealth-Lab support for importing real (historical) trades.
Note: The function can't be used to enter trades outside of the bar's range.
Example
Below is a demo Strategy that shows how to use the function.
Example using C# extension methods:
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using WealthLab;
using WealthLab.Indicators;
namespace WealthLab.Strategies
{
public class AtPriceDemo : WealthScript
{
protected override void Execute()
{
// initialize your average series however you like
DataSeries avgSer = 0.5 * Open + 0.5 * Close;
/* In the trading loop here's the buy signal that uses your peeking data.
It won't create an Alert because they're peeking results. Not a tradeable script! */
for(int bar = 1; bar < Bars.Count; bar++)
{
if (IsLastPositionActive)
{
if( true ) // some condition to exit at the average price this month
this.ExitAtPrice(Bars, bar, LastPosition, avgSer[bar], "Out");
}
else
{
if( true ) // some condition to buy at the average price this month
this.EnterAtPrice(Bars, bar, avgSer[bar], PositionType.Long, "In");
}
}
}
}
}
Legacy syntax example:
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using WealthLab;
using WealthLab.Indicators;
using Community.Components; // Support for enter/exit at price here
/*** Requires installation of Community.Components Extension from www.wealth-lab.com > Extensions ***/
namespace WealthLab.Strategies
{
public class AtPriceDemo : WealthScript
{
protected override void Execute()
{
// Create an instance of the PositionHelper class, passing WealthScript as "this"
PositionHelper ph = new PositionHelper( this );
// initialize your average series however you like
DataSeries avgSer = 0.5 * Open + 0.5 * Close;
/* In the trading loop here's the buy signal that uses your peeking data.
It won't create an Alert because they're peeking results. Not a tradeable script! */
for(int bar = 1; bar < Bars.Count; bar++)
{
if (IsLastPositionActive)
{
if( true ) // some condition to exit at the average price this month
ph.ExitAtPrice(Bars, bar, LastPosition, avgSer[bar], "Out");
}
else
{
if( true ) // some condition to buy at the average price this month
ph.EnterAtPrice(Bars, bar, avgSer[bar], PositionType.Long, "In");
}
}
}
}
}