Ratio Spreads enable to be wrong on an asset direction.

Closing prices are not enough to grasp intraday volatility. Parkinson number may provide some help.

A simple way to price an european style option is to use the binomial model on a spreadsheet.

Volatility Arbitrage, sometimes called Volatility Bets, is a alternative way to manage money using markets and derivatives.

One of the very first strategies using options consists in purchasing calls