About MHT Files. Our goal is to help you understand what a file with a *.mht suffix is and how to open it. The MHTML Web Archive file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team.
What is the 'Option Margin' The option margin is the cash or securities an investor must deposit in his account as collateral before writing options. Margin requirements vary by option type. Margin requirements are established by the Federal Reserve Board in Regulation T; individual brokers may impose additional requirements. The cash or securities an investor must deposit in his account as collateral before writing options. Margin requirements vary by option type. Margin requirements are established by the Federal Reserve Board in Regulation T; individual brokers may impose additional requirements.
A margin account is an account offered by brokerages that allows investors to borrow money to buy securities.An investor might put down 50% of the value of a purchase and borrow the rest from the broker. The broker charges the investor interest for the right to borrow money and uses the securities as collateral.y Investopedia Staff AAA |. A: A margin account is an account offered by brokerages that allows investors to borrow money to buy securities. An investor might put down 50% of the value of a purchase and borrow the rest from the broker.