Examlex
The chi-square statistic measures how well the data fit the hypothesis,and the symbol is χ2.
Time To Expiration
This refers to the remaining time until a derivative contract, such as an option or futures contract, becomes invalid or ceases to exist.
Underlying Security
An asset, such as a stock or bond, on which financial derivatives like options and futures are based.
Delta
In finance, it represents the ratio that compares the change in the price of an asset, usually a marketable security, to the corresponding change in the price of its derivative.
Gamma
A measure of the rate of change in an option's delta for a one-unit change in the price of the underlying asset.
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