Whether an option is bought or sold, whether it is a call or a put, when it trades on the exchange, it is considered volume. In short, option volume is the number of contracts traded in a security or ...

You add volume to your chart and see a tall bar. 50,000 contracts traded during that session. That tells you activity was ...

You’re moving, or maybe you’ve just got a lot of stuff, and you need to rent out a storage container—but you have no real sense for how much storage you need. Keep reading, because understanding the ...

Volumetric integrated optical micro- and nanosystems are becoming the new frontier in photonics. Fine control over the material structure within a volume enables novel physical phenomena and ...

Last month, a mid-cap biotech stock you’d been watching jumped 8% in a single session. The volume bar on your chart looked like a skyscraper compared to the usual trading activity. Was that a buying ...