Regrettably, marginable securities in the account are collateral. Brand Solutions. By John Read more. Indeed, marginable securities in the account are collateral. Options Trading. This is different from a regular cash accountin which you trade using the money in the account. The longer you hold an investment, the greater the such as bonds investments that is needed to break even. Margin trading is a method of trading assets trading expectancy curve chart funds provided by a third party. Even scarier is the fact that your broker may not be required to consult you before selling! Over time, your debt level increases as interest charges accrue against you. Margin is basically an act of extending credit for the purposes of trading. If used properly, the leveraged trading provided by margin accounts can aid in both profitability and portfolio diversification. Just as companies borrow money to invest in projects, investors can borrow money and leverage the cash they invest. The collateralized loan comes with a periodic interest rate that the investor must repay to the broker. By law, your broker is required to obtain your signature to open a margin account. To determine the new rate, the bank adds a margin to an trading on a margin index. Compare Accounts. Personal Finance. The margin can be settled later when trading expectancy curve chart square off your position. Unlike the regular spot trading, margin trading introduces the possibility of losses that exceed a trader's initial investment and, as such, is considered a high-risk trading method.