Candlestick: Hammer

[eSignal]

File Name: Hammer.efs

Description:
Hammer

Formula Parameters:
Font : Arial Narrow
Font Size : 11
Font and Shape Color : Green
Font BgColor : White


Notes:
This is a bullish reversal candlestick which occurs in a downtrend.
It has a small real body at the top of the candlestick and a long lower shadow.


Download File:
Hammer.efs



EFS Code:

/*********************************
Provided By:  
    eSignal (Copyright c eSignal), a division of Interactive Data 
    Corporation. 2009. All rights reserved. This sample eSignal 
    Formula Script (EFS) is for educational purposes only and may be 
    modified and saved under a new file name.  eSignal is not responsible
    for the functionality once modified.  eSignal reserves the right 
    to modify and overwrite this EFS file with each new release.
   

Description:        
    Hammer

Version:            1.0  12/24/2009

Formula Parameters:                     Default:
    Font                                Arial Narrow
    Font Size                           11
    Font and Shape Color                Green
    Font BgColor                        White
    
Notes:
    This is a bullish reversal candlestick which occurs in a downtrend. 
    It has a small real body at the top of the candlestick and a long lower shadow.  
**********************************/

var fpArray = new Array();

function preMain() {
    setPriceStudy(true);
    setStudyTitle("Hammer");
    setShowCursorLabel(false);
    setShowTitleParameters(false);
    var x=0;
    fpArray[x] = new FunctionParameter("nFontSize", FunctionParameter.NUMBER);
    with(fpArray[x++]){
        setName("Font Size")
        setLowerLimit(6);        
        setDefault(11);
    }
    fpArray[x] = new FunctionParameter("cFontColor", FunctionParameter.COLOR);
    with(fpArray[x++]){
        setName("Font and Shape Color");
        setDefault(Color.green);
    }    
    fpArray[x] = new FunctionParameter("cFontBgColor", FunctionParameter.COLOR);
    with(fpArray[x++]){
        setName("Font BgColor");
        setDefault(Color.white);
    }    
    fpArray[x] = new FunctionParameter("sFont", FunctionParameter.STRING);
    with(fpArray[x++]){
        setName("Font");
        setDefault("Arial Narrow");
    }    
}

function main(sFont, nFontSize, cFontColor, cFontBgColor) {
    Find_Hammer(sFont, nFontSize, cFontColor, cFontBgColor);
    return;
}

function Find_Hammer(sFont, nFontSize, cFontColor, cFontBgColor) {
var nState = getBarState();
var Open = open(0);
var Close = close(0);
var Open1 = open(-1);
var Close1 = close(-1);
var High = high(0);
var Low = low(0);
var nID = getCurrentBarCount();
    if (nState == BARSTATE_ALLBARS) {
        if (sFont == null) sFont = "Arial Narrow";
        if (nFontSize == null) nFontSize = 11;
        if (cFontColor == null) cFontColor = Color.green;
        if (cFontBgColor == null) cFontBgColor = Color.white;
    }
    if (High < Math.min(Open1, Close1) &&
        Math.abs(Open - Close) * 3 < (Math.min(Open, Close) - Low) &&
        (High - Math.max(Open, Close)) < 0.05 * (Math.abs(Open - Close))) {
        drawTextRelative(0, BelowBar2, "Hmr", cFontColor, cFontBgColor, Text.PRESET | Text.CENTER, sFont, nFontSize, "T"+nID); 
        drawShapeRelative(0, BelowBar1, Shape.UPARROW, null, cFontColor, Shape.PRESET, "S"+nID); 
    } else {
        removeText("T"+nID);
        removeShape("S"+nID);
    }
    return;
}