Shows end of the day like in a MetaTrader
study("EOD", overlay=true) color = (period == '240' and hour >= 13 and hour <= 13 ? gray : (period == '1' or period == '3' or period == '5' or period == '15' or period == '30' or period == '45' or period == '60' or period == '120') and hour >= 15 and hour <= 15 and minute >= 00 and minute <= 00 ? gray : (period == '180') and hour >= 14 and hour <= 14 ? gray : (period == '45') and hour >= 15 and hour <= 15 ? gray : na) bgcolor(color, 50)