100 shares bought at $50 and currently marked at $55 show $500 unrealized gross gain; an actual exit price can differ.
Trading
Unrealized gain or loss
A gain or loss on an open position based on current value versus cost basis.
Plain-English context
Put the definition to work.
A displayed mark is not an assured exit price, and a tax-basis display may differ from the economic cost used in P&L.
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