Offer (Ask)
The Offer is the price, or rate, at which a willing seller is prepared to sell. This word is used interchangeably with the term “Ask”.

Open position
The result of the first part of a closed trade for purchase or sale of an instrument, which is not covered by an opposite operation of the same volume (respectively, sell or purchase). In the result of opening a position, Client has the liabilities to maintain margin level not below the value specified in the Regulations of Trading Operations.

Over The Counter (OTC)
Over the Counter is used to describe any transaction that is not conducted through an exchange; trading through a dealer network as opposed to in a centralized exchange.

Overnight Premium
Holding a position open after a specific hour, with the option to add a funding Premium or subtract it to/from your account. This will cover the benefit/cost of the associated funding.