Market mechanics · Rookie
Trading volume
What does Trading volume mean?
Trading volume measures the quantity traded during a period. It counts activity, whereas open interest counts outstanding contracts remaining open.
Example
One contract traded repeatedly can contribute several contracts of volume during a session.
Illustrative example; not a provider’s quoted offer.Why it matters for prop traders
Platform tick volume is not necessarily centralized exchange-traded volume.
Sources and further reading
The following primary sources support the terminology. Provider rules describe their own products and may change.