Wealth-Lab Wiki

API ChartStyles Community Components Community Indicators IndexDefinitions Knowledge Base Misc Optimizers Pending Deletion PosSizers Providers Standard Indicators TASC Traders Tips TASCIndicators Tutorial Videos Visualizers
RSS

Navigation


Quick Search
»
Advanced Search »


Syntax

public BBandLower2(DataSeries source, int period, double stdDevs, StdDevCalculation sd, string description)
public static BBandLower2 Series(DataSeries source, int period, double stdDevs, StdDevCalculation sd)

Parameter Description

source Price series
period Indicator calculation period
stdDevs Number of standard deviations
sd Standard deviation calculation: Population or Sample

Description

See BBandLower.

This version extends the WL6's native implementation of Bollinger Bands with the ability to specify a Standard Deviation calculation method - Population (hardcoded in WL6's Bollinger Bands) or Sample.

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() { PlotSeries( PricePane, BBandLower2.Series( Close, 20, 2.00, StdDevCalculation.Sample ), Color.DarkBlue, LineStyle.Solid, 2 );

// Flag bars that have penetrated the lower BBand calculated using the Sample method

for(int bar = 20; bar < Bars.Count; bar++) { if( Bars.Low[bar] < BBandLower2.Series( Close, 20, 2.0, StdDevCalculation.Sample )[bar] ) SetBarColor( bar, Color.Lime ); } } } }

Important Disclaimer: The information provided by Wealth-Lab is strictly for informational purposes and is not to be construed as advice or solicitation to buy or sell any security.  The owner of Wealth-Lab.com assumes no liability resulting from the use of the material contained herein for investment purposes. By using this web site, you agree to the terms of this disclaimer and our Terms of Use.

Used under license from FMR Corp. Copyright 2008 FMR Corp. All rights reserved.


ScrewTurn Wiki. Some of the icons created by FamFamFam.