Margin is usually used to purchase additional securities.

Margin Rates Brokers Margin is usually used to purchase additional securities. What do you think of the spate of humorous online broker ads? An amusing way to get the message across. The fourth section addresses the economics of margin loans, demonstrating that they can be interpreted as implicit put options on the underlying securities. This section can be skipped by readers familiar with the economics of equity options. But if you believe your portfolio is likely to generate returns greater than the margin interest rate, a margin strategy may juice up your returns albeit with juiced-up risk. Ready! Set! Calculators out!So how would this calculation work? Let's use an example.

Amount the broker charges you for placing a trade online. Borrowing money from your broker using your portfolio as collateral. Promotion of easy money from stock trading is just not funny. Amount the broker charges you for placing a trade through a conversation with a human being.

System response and account access times may vary due to a variety of factors, including trading volumes, market conditions, system performance, and other factors. The long position limits are determined by the exchange. Amount the broker charges you for wiring transfers into and out of your account. Amount the broker charges you for transferring existing funds into and out of your account. Position limits are 2,000 contracts when going short and uncovered.