Account balance/account value
The net amount held at any given time in an account, after factoring in all debits and credits.
The process of buying an asset (such as shares) and then immediately selling it so as to profit from the difference. Arbitrageurs can exploit tiny differences in the quoted price of an identical instrument across different markets using very large-sized trades.
The lowest price at which a seller is willing to sell an investment or asset at a given moment. Also known as the offer price.