The crucial role of delta in options trading
Without at least a basic understanding of options delta, nobody should venture into the world of options trading . Delta, one of the so-called Options Greeks, plays such a vital role both in options pricing that without understanding how it works, most traders are bound to make costly mistakes. Definition In laymen’s terms one can simply define delta as the amount an option would move in response to a $1 movement in the price of the underlying asset (stock, currency, commodity). How delta works An option with a delta approaching 1 (e.g. deep in the money options) would move $1 for every $1 movement in the price of the underlying asset. For call options delta is positive, i.e. the value of the option increases when the price of the underlying asset increases and decreases when this price drops. Put options, on the other hand, have negative delta. This means the price of the option drops when the price of the underlying asset increases. When the price of the underlying asset drops, howe