Delta is a term used to describe the difference between two values. It can be applied to many data types, including financial markets, mathematics, and science. In finance, delta measures the rate of change in an option’s price relative to its underlying asset’s price. In mathematics and science, delta is often used to symbolize change or difference (Ξ).
In finance specifically, delta helps traders determine how much their options will move when there are changes in the market conditions such as volatility or time decay. Delta ranges from 0-1 for calls and 1-0 for puts, meaning that if you own one call option with a .50 Delta, your position should increase by $0.50 when the stock moves up by $1 (or vice versa). The higher the Delta number on an option contract means it has more sensitivity towards movements in its underlying assetβs price compared with other agreements with lower deltas; this makes them more expensive and potentially more profitable!
Itβs essential to understand what role delta plays before trading any options because it can help you make better decisions about which ones might be right for your portfolio and risk tolerance level β especially since they tend to have higher premiums than regular stocks due to their increased sensitivity towards market movement! Knowing how each contract behaves under certain conditions can give investors insight into potential profits/losses associated with holding those positions over time, so they know precisely what kind of returns they may expect from investing in them at any given moment.