: an informal form of a name. â Diminutives can be a shortened form of a name (such as âJenâ for âJenniferâ and âDickâ for âRichardâ) or a name with a diminutive suffix added to it (such as âBobbyâ for âBobâ).
The sensitivity of an option's market value relative to a change in the time to expiration. Theta is a measure of time decay and tends to grow larger as an option approaches expiration.
Google Finance Option. Google's finance website, www.google/finance, allows users to export historical stock market data for many securities. End-of-day prices, the high and low prices for the past year and volume for the past year can be quickly downloaded. Start by typing in a stock symbol on the search page.