Margin Abuse, Margin Miscalculation and Excessive Margin – South Florida FINRA Arbitration and Litigation Attorney:
“Margin” is borrowing money from your broker to buy a stock and using your investment as collateral. Investors generally use margin to increase their purchasing power so that they can own more stock without fully paying for it. But margin exposes investors to the potential for higher losses. Consequently, the use of margin is not appropriate for all investors, especially the unsophisticated or those who are risk adverse.
The Federal Reserve Board and many self-regulatory organizations (SROs), such as the NYSE and FINRA, have rules that govern margin trading. Brokerage firms can establish their own requirements as long as they are at least as restrictive as the Federal Reserve Board and SRO rules. Here are some of the key rules you should know: