Rules:
1. The first candlestick is a long green candlestick.
2. The second candlestick is a red candlestick which opens in the body range of the first candlestick and closes in the body range of the first candlestick.

Pattern Type:
Bearish Reversal.

                    
#region Namespaces using System; using System.IO; using System.Linq; #endregion namespace ScriptCode { /// <summary> /// Pattern scripts are used for recognizing and highlighting chart patterns. /// /// This script can be used in several ways: /// (1) It can be used on a chart. /// (2) It can be used from another script. /// (3) It can be used as a script column in a watchlist. /// </summary> public partial class MyPattern : PatternScriptBase // NEVER CHANGE THE CLASS NAME { #region Variables // Use for the underlying symbol index on which to calculate the pattern script. private int _symbolIndex; // Use for the minimum percentage change (open to close) that a candlestick must change in order to be considered a long candlestick. private double _minCandleSize; // Use for the maximum percentage change (open to close) that a candlestick can change in order to be considered a short candlestick. private double _maxShortCandleSize; #endregion #region OnInitialize /// <summary> /// This function accepts the user parameters for the script and is called when a new pattern instance is created. /// One of the parameters accepted by it must be that of a symbol or another script that is /// based on a symbol (drawing, indicator, pattern or signal). This symbol will be used as the underlying symbol for the pattern. /// /// The parameter values can be specified from the user interface (UI) or from another script, depending on usage. /// </summary> /// -------------------------------------------------------------------------------------------------- /// PLEASE USE THE SCRIPT WIZARD (CTRL+W) TO ADD, EDIT AND REMOVE THE SCRIPT PARAMETERS /// -------------------------------------------------------------------------------------------------- /// YOU MUST SET A PARAM TAG FOR EACH PARAMETER ACCEPTED BY THIS FUNCTION. /// ALL PARAM TAGS SHOULD BE SET IN THE 'OnInitialize' REGION, RIGHT ABOVE THE 'OnInitialize' FUNCTION. /// THE ORDER OF THE TAGS MUST MATCH THE ORDER OF THE ACTUAL PARAMETERS. /// REQUIRED ATTRIBUTES: /// (1) name: The exact parameter name. /// (2) type: The type of data to collect from the user: /// Set to "Integer" when the data type is 'int' /// Set to "IntegerArray" when the data type is 'int[]' /// Set to "DateTime" when the data type is 'long' /// Set to "DateTimeArray" when the data type is 'long[]' /// Set to "Boolean" when the data type is 'bool' /// Set to "BooleanArray" when the data type is 'bool[]' /// Set to "Double" when the data type is 'double' /// Set to "DoubleArray" when the data type is 'double[]' /// Set to "String" when the data type is 'string' /// Set to "StringArray" when the data type is 'string[]' /// Set to "Indicator" when the data type is 'Indicator' /// Set to "Pattern" when the data type is 'Pattern' /// Set to "Signal" when the data type is 'Signal' /// Set to "Drawing" when the data type is 'Drawing' /// Set to "Symbol" when the data type is 'int' representing a symbol index. /// OPTIONAL ATTRIBUTES: /// (3) default: The default parameter value is only valid when the type is Integer, Boolean, Double, String or an API Type. /// (4) min: The minimum parameter value is only valid when the type is Integer or Double. /// (5) max: The maximum parameter value is only valid when the type is Integer or Double. /// EXAMPLE: <param name="" type="" default="" min="" max="">Enter the parameter description here.</param> /// -------------------------------------------------------------------------------------------------- /// <param name="symbolIndex" type="Symbol" default="">Use for the underlying symbol index on which to calculate the pattern script.</param> /// <param name="minCandleSize" type="Double" default="1">Use for the minimum percentage change (open to close) that a candlestick must change in order to be considered a long candlestick. </param> /// <param name="maxShortCandleSize" type="Double" default="1">Use for the maximum percentage change (open to close) that a candlestick can change in order to be considered a short candlestick. </param> public void OnInitialize( int symbolIndex, double minCandleSize, double maxShortCandleSize) { // Set the parameters to script variables. _symbolIndex = symbolIndex; _minCandleSize = minCandleSize; _maxShortCandleSize = maxShortCandleSize; } #endregion #region OnBarUpdate /// <summary> /// This function is used to determine whether a pattern match exists in which the latest bar is the last bar of the pattern. /// If such a pattern match is found, the function returns the number of bars in the pattern, otherwise it returns zero. /// </summary> /// <returns type="Integer">The total number of bars in the pattern ending at the latest bar (or zero if the pattern is not found).</returns> public override int OnBarUpdate() { // Check whether the first candlestick matches. if (BarOpen(_symbolIndex, 1) < BarClose(_symbolIndex, 1) && (100 * (BarClose(_symbolIndex, 1) - BarOpen(_symbolIndex, 1)) / BarOpen(_symbolIndex, 1) > _minCandleSize)) { // Check whether the second candlestick matches. if (BarOpen(_symbolIndex, 0) > BarClose(_symbolIndex, 0) && BarOpen(_symbolIndex, 0) < BarClose(_symbolIndex, 1) && BarClose(_symbolIndex, 0) > BarOpen(_symbolIndex, 1) && (- 100 * (BarClose(_symbolIndex, 0) - BarOpen(_symbolIndex, 0)) / BarOpen(_symbolIndex, 0) < _maxShortCandleSize)) { return 2; } } return 0; } #endregion } }

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