Volatility trading is the term used to describe trading the velocity of movement in price of an underlying instrument rather than the direction of price. For example, you could trade the value of an equity index, but volatility trading typically means trading the expected velocity of movement.

Every February, we publish the February Forecast for Fun Fest

We asked our team of experts what technical indicators they depend on to navigate today's volatile markets. Here's what they said.
If Friday’s employment situation report isn’t a surprise, then the market will be disappointed.
If it weren’t Friday, then would the open’s gap have retraced, like so many others before it?
If the past two sessions are any indication of expiration, then we could be in for a wild ride Friday.
If not for nervousness ahead of Sunday’s Crimea referendum, then Friday’s market could have declined sharply
This important technical development would confirm that a larger move lower may be at hand.
Here's a bar-by-bar breakdown of Friday's trading action in the E-mini S&P 500.
If three days leading up to Friday stretched the rubber band, then can Friday’s dip be considered a snap-back?