Field dictionary

Finance, translated.

Definitions are only useful when you know why they change a decision. Search by word, concept, or consequence.

2 terms

Cost basis

Basics

The recorded acquisition cost used to measure return and often tax gain or loss.

Why it matters: Fees, FX, corporate actions, and lot methods can affect it.

Orders

First in, first out: the oldest available tax lot is treated as sold first.

Why it matters: Lot selection affects reported cost basis and realized gain or loss.