PortfolioValue

Field	Type	Description
`contract`	`Contract`	Contract object containing defining characteristics for ticker.
`position`	`string`	The number of positions held
`marketPrice`	`double`	The instrument’s unitary price
`marketValue`	`double`	Total market value of the instrument
`averageCost`	`double`	Average cost of the overall position.
`unrealizedPNL`	`double`	Unrealized profit and loss for the current day’s trading session.
`realizedPNL`	`double`	Daily realized profit and loss on the position
`accountName`	`string`	The account identifier.