Open Interest Definition

Open interest is the total number of outstanding derivative contracts, such as futures or options, that have not been settled or closed.

What is Open Interest?

Rising open interest can indicate growing participation and conviction in a market trend.

It is different from trading volume, which measures the number of contracts traded during a specific period.

If 10,000 futures contracts remain open at the end of the day, the open interest for that contract is 10,000.

An OCO order links two orders so that when one is executed, the other is automatically cancelled.

An open position is a trade that has been entered but not yet closed.

An order book is a real-time list of buy and sell orders for a particular asset, organized by price level.