Opening price: share price at the time of trading on the stock exchange opening.

Open Trade Equity (OTE): is the net unexecuted gain or loss on positions that remain open.

OTC Markets Group: refers to over-the-counter securities quotation and trading systems independent of stock exchanges, but in some cases still regulated by the SEC.

Overnight: Overnight positions are open trades that have not been closed or liquidated at the end of the normal market day.

Over-the-counter (OTC) market: is a decentralized market in which market participants trade stocks, commodities, currencies or other instruments directly between two parties and without a central exchange or intermediary.Some of the most commonly traded products in OTC markets are bonds, derivatives, structured products and currencies.