RealTimeBarTick

Field	Type	Description
`reqId`	`int32`	Unique request identifier used for tracking across EWrapper
`time`	`int64`	Trigger time for the request. Formatted as HH:MM:ss (UTC assumed if timezone note set.)
`open`	`double`	The bar’s open point
`high`	`double`	The bar’s high point
`low`	`double`	The bar’s low point
`close`	`double`	The last execution price of the bar.
`volume`	`string`	The bar’s traded volume (only returned for TRADES data).
`WAP`	`string`	Weighted Average Price of the returning bar.
`count`	`int32`	Total trades within the bar.