getPreviousTradingDay()
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getPreviousTradingDay( date [, symbol] )
Returns a date object that contains the date of the prior trading day.
Parameters
| date |
a valid date object (using "time" or "rawtime") |
| symbol |
optional. the symbol to use |
Usage
function main() {
var nBarIndex;
var nTime;
var nPriorDay;
var nPrice;
...
...
//get the rawtime value for the current bar
nTime = getValue( "rawtime", 0 );
if ( nTime != null ) {
//get the date value for the prior trading day, if any
nPriorDay = getPreviousTradingDay( nTime );
if ( nPriorDay != null ) {
//get the bar index to the first bar of the date in nTime
nBarIndex = getFirstBarIndexOfDay( nTime );
//grab the closing price from that bar
nPrice = close( nBarIndex );
}
}
}