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.
Time and tick is a method used to help calculate whether or not a day trade margin call should be issued against a margin account. With this method, only open positions are used to calculate a day trade margin call. For example, assume your account had a day trade buying power of $90,000. If you traded in the following sequence, you would not incur a day trade margin call: Buy $90,000 of IBM (the open position).