Discriminant is the second most common meaning of the uppercase delta. The sensitivity measure is equal to the change in the derivative value as a ratio of the change in the underlying assets price. It is simply the difference or change in a certain.
Delta is a risk sensitivity measure used in assessing derivatives.
An example of delta being used is the use of the capital delta symbol D in math equations to show a change of any quantity. It was derived from the Phoenician letter dalet 𐤃 Letters that come from delta include Latin D and Cyrillic D. The traditional notation for the x -tolerance is the lowercase Greek letter delta or d and the y -tolerance is denoted by lowercase epsilon or ϵ. A river delta originally the Nile River delta is so named because its shape approximates.