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Squeeze: Indicator Documentation


DataSeries Squeeze( Bars bars, DataSeries ds, int period, double dev )

Parameter Description

bars Bars object
ds Data series
period Lookback period
dev Number of standard deviations for Bollinger Bands calculation


From John F. Carter's book "Mastering The Trade". See his YouTube presentation.

  • Contractions like the Bollinger Bands inside the Keltner Bands reflect a market taking a break and consolidating, and is usually seen as a potential leading indicator of subsequent directional movement. A series of contractions may suggest to look for a BB expansion outside the KB which would be an entry signal. The longer the contraction, the stronger the potential breakout.
  • The entry should be made in the direction of the momentum. A positive momentum supports a long position, while a negative momentum supports a short position.
  • The exit should be made when momentum weakens.


This example illustrates how to use the Squeeze indicator to build a trading strategy:

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 SqueezeStrategy : WealthScript { protected override void Execute() { PlotSeriesDualFillBand( PricePane, BBandUpper.Series( Close, 20, 2 ), BBandLower.Series( Close, 20, 2 ), Color.Transparent, Color.Blue, Color.Blue, LineStyle.Solid, 2 ); PlotSeriesDualFillBand( PricePane, KeltnerUpper.Series( Bars, 20, 20 ), KeltnerLower.Series( Bars, 20, 20 ), Color.Transparent, Color.Black, Color.Black, LineStyle.Solid, 3 ); Squeeze squeeze = Squeeze.Series( Bars, Close, 20, 2 ); ChartPane SqueezePane = CreatePane( 30, true, true ); PlotSeries( SqueezePane, squeeze, Color.Blue, LineStyle.Histogram, 3 );

for(int bar = 20; bar < Bars.Count; bar++) { if (IsLastPositionActive) { if( CumDown.Series( Momentum.Series( Close, 14 ), 1 )[bar] >= 1 ) SellAtMarket( bar+1, LastPosition, "MomExit" ); } else { if( squeeze[bar] < 0.00 ) BuyAtMarket( bar+1 ); } } } } }

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