Margin rates
Using this example, it will cost you $50 in margin interest to borrow $30,000 for 10 days. While margin can be used to amplify profits in the case that a stock goes up and you make a leveraged purchase, it can also magnify losses if the price of your investment drops, resulting in a margin call, A margin can also refer to the portion of the interest rate on an adjustable-rate mortgage (ARM) added to the adjustment-index rate. Margin rates as low as 1.86% Learn More. US Margin Loan Rates Comparison 2. Interactive Brokers3. Calculate Your Rate. Each firm's information reflects the standard online margin loan rates obtained from their respective websites. Competitor rates and offers subject to change without notice. Services vary by firm.