What Is Delta? Meaning & Example
Definition
Delta estimates how much an option's price changes for a $1 move in the underlying asset. It also gives a rough sense of the probability of finishing in the money.
Related terms
Theta measures how much an option's value declines each day as expiration approaches, all else equal. This time decay works against option buyers and in favor of sellers.
In the Money (ITM)An option is in the money when it has intrinsic value: a call with a strike below the market price or a put with a strike above it. ITM options cost more because of that built-in value.
OptionAn option is a contract giving the buyer the right, but not the obligation, to buy or sell an asset at a set price before or on a certain date. Options can be used for income, hedging or speculation.
What is Delta?
Delta estimates how much an option's price changes for a $1 move in the underlying asset. It also gives a rough sense of the probability of finishing in the money.
Can you give an example of Delta?
A call with a delta of 0.40 might gain about $0.40 if the stock rises $1.