The Delta is used to measure the sensitivity of an option when compared to the stock. In other words it tells you how much your option will move for every one point move in the stock. If you have a delta of 50 that means your option will move $.5 for every move in the security.
It is a puzzling thing. The truth knocks on the door and you say, "Go away, I'm looking for the truth," and so it goes away. Puzzling.
Stop by the ETERNITY board for a contrarian approach to all mattersof life