Exit Position After X Days? - Wealth Lab Forum

Exit Position After X Days?

Author: TheInvis

Creation Date: 8/5/2008 7:56 AM

Wealth Lab » WealthScript (.NET) » Exit Position After X Days?

TheInvis

8/5/2008 7:56 AM

A couple of years ago I dedicated a huge amount of time to WL4, and got pretty fluent in coding. However, I just d/l'd WL5 and I can't make heads or tails out of it.

I can't figure out how to tell it to do something simple like "Take profit when it exceeds 1% per day, or close position after 10 days."

What am I missing?

Eugene

8/5/2008 8:29 AM

To answer the question in the title (time-based exit):

CODE:
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QUOTE:
I can't figure out how to tell it to do something simple like "Take profit when it exceeds 1% per day, or close position after 10 days."

CODE:
Please log in to see this code.

Size:

Color:

To answer the question in the title (time-based exit):

[CODE]if (IsLastPositionActive)
{
	Position p = LastPosition;
	if( bar+1 - p.EntryBar >= 10 )
		SellAtMarket( bar+1, p ); else
		...
}
else
{
	//code your entry rules here
	...
}[/CODE]

[QUOTE]I can't figure out how to tell it to do something simple like "Take profit when it exceeds 1% per day, or close position after 10 days."[/QUOTE]

[CODE]using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using WealthLab;
using WealthLab.Indicators;

namespace WealthLab.Strategies
{
	public class TheInvis : WealthScript
	{
		private StrategyParameter paramDays;
		private StrategyParameter paramPct;
		
		public TheInvis()
		{
			paramDays = CreateParameter("Exit after", 10, 2, 10, 1);
			paramPct = CreateParameter("Profit %", 1, 1, 10, 1);
		}
		
		protected override void Execute()
		{
			int days = paramDays.ValueInt;
			double pct = paramPct.ValueInt;
			DataSeries hProfitPctSeries = new DataSeries( Bars, "Net Profit %" );
			
			for(int bar = 10; bar < Bars.Count; bar++)
			{
				if (IsLastPositionActive)
				{
					Position p = LastPosition;
					hProfitPctSeries[bar] = p.NetProfitAsOfBarPercent( bar );
					
					// Time-based exit should be considered first
					if( bar+1 - p.EntryBar >= days )
						SellAtMarket( bar+1, p, "Exit after " + days + " days" ); 
					else
						// Initiate a profit taking order
						if( hProfitPctSeries[bar] > pct )
							SellAtMarket( bar+1, p, "Profit was " + 
								Bars.FormatValue( pct ) + "%" );
				}
				else
				{
					//code your entry rules here
					BuyAtStop( bar+1, Highest.Series( High,10 )[bar] );
				}
			}
			
			ChartPane ProfitPane = CreatePane( 30, true, true );
			PlotSeries( ProfitPane, hProfitPctSeries, Color.DarkGreen, LineStyle.Histogram, 1 );
			DrawHorzLine( ProfitPane, pct, Color.Green, LineStyle.Dotted, 2 );
		}
	}
}[/CODE]

Cone

8/5/2008 8:48 AM

Also keep in mind that the Wizard can help you get a handle on simple ideas like this one. See the "Position-Based" condition for "Current open Position is older than a number of bars".

TheInvis

8/5/2008 12:36 PM

OF COURSE! Have to reset my monitor so the entire rule description shows... I was only seeing the first word or two.

PLUS, I have to readjust to thinking of Bars instead of Days. (When bars ARE Days that is...)

Thanks guys for your prompt response.