Beta

Modified on 2020/07/19 14:29 by Eugene — Categorized as: Community Indicators

Beta: Indicator Documentation

Syntax


public Beta(Bars bars, Bars index, int period)

Parameter Description

bars	Primary Bars object
index	The Bars object for your index symbol
period	Lookback period

Description

According to definition at Investopedia, beta coefficient is a measure of the volatility (risk) of a security or a portfolio in comparison to the market as a whole.

Here we are using ^GSPC symbol of the S&P500 Index, suitable for Yahoo! data.

Example


using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using WealthLab;
using WealthLab.Indicators;
using Community.Indicators;

namespace WealthLab.Strategies
{
	public class MyStrategy : WealthScript
	{
		protected override void Execute()
		{
			Beta beta = Beta.Series( Bars, GetExternalSymbol("^GSPC",true),200);  // Yahoo symbol
			ChartPane betatest = CreatePane( 30, true, true );
			PlotSeries( betatest, beta, Color.DarkMagenta, LineStyle.Solid, 2 );
		}
	}
}