It is the quantity of asset that has to be delivered under one contract. Also referred to as Lot
In the stockmarket - time is not money - time is time and money is money.
Often money that is just sitting can later be moved into the right situation at the right time and make a vast fortune – patience – patience.
The total number of futures or options contracts of a given contract that have not yet been offset by an opposite futures or option transaction nor fulfilled by delivery or option exercise.