//{{EFSWizard_Description
//
//    This formula was generated by the Alert Wizard
//
//}}EFSWizard_Description 7532


//{{EFSWizard_Declarations

var vBollinger20 = new BollingerStudy(20, "Close", 2.5);
var vLastAlert = -1;

//}}EFSWizard_Declarations 10243


function preMain() {
   /**
    *  This function is called only once, before any of the bars are loaded.
    *  Place any study or EFS configuration commands here.
    */
//{{EFSWizard_PreMain
    setPriceStudy(true);
    setStudyTitle("Test # 2 for Boll Bands");
//}}EFSWizard_PreMain 8253

}

function main() {
   /**
    *  The main() function is called once per bar on all previous bars, once per
    *  each incoming completed bar, and if you don't have 'setComputeOnClose(true)'
    *  in your preMain(), it is also called on every tick.
    */

//{{EFSWizard_Expressions
    //{{EFSWizard_Expression_1
        if (
            Strategy.isLong() == false &&
            close(-1) <= vBollinger20.getValue(BollingerStudy.LOWER)
        ) onAction1()
    //}}EFSWizard_Expression_1 15531
    
    //{{EFSWizard_Expression_2
        else if (
            Strategy.isShort() == false &&
            close(-1) >= vBollinger20.getValue(BollingerStudy.UPPER)
        ) onAction2();
    //}}EFSWizard_Expression_2 18645
    
//}}EFSWizard_Expressions 55363


//{{EFSWizard_Return
    return null;
//}}EFSWizard_Return 2256

}

function postMain() {
   /**
    *  The postMain() function is called only once, when the EFS is no longer used for
    *  the current symbol (ie, symbol change, chart closing, or application shutdown).
    */
}

//{{EFSWizard_Actions
    //{{EFSWizard_Action_1
    function onAction1() {
        if (vLastAlert != 1) Strategy.doLong("", Strategy.CLOSE, Strategy.THISBAR, Strategy.DEFAULT, 0);
        vLastAlert = 1;
    }
    //}}EFSWizard_Action_1 18239
    
    //{{EFSWizard_Action_2
    function onAction2() {
        if (vLastAlert != 2) Strategy.doShort("", Strategy.CLOSE, Strategy.THISBAR, Strategy.DEFAULT, 0);
        vLastAlert = 2;
    }
    //}}EFSWizard_Action_2 19339
    
//}}EFSWizard_Actions 53810