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 ...

Discover what after-hours trading is, including how it works, the pros and cons, key risks to watch for, and an example of trading stocks outside normal market hours.

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 ...

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 ...