You can learn Bid with accuracy of 1 minute, as this minimum period.
15:35 - this time, opening a new pricing minutes and 5 minutes candles. So should
go to the bar this time to find his number and call him with the function iopen
Take your pick of Open, High, Low, or Close. Bid/Ask only applies to current tick
You need the history for the minutes of the specified time, otherwise, use higher
double specifedClose = iClose(Symbol(), PERIOD_M1, iBarShift(Symbol(), PERIOD_1M, StrToTime("2007.05.03