[…] As PYMNTS reported here, Robinhood has introduced new lower margin rates that it said are the lowest among leading brokerages. The rates vary based on the customer’s total margin balance and range from 5.7% to 6.75%, the online brokerage said this week. Six rates are offered in this tiered margin structure, ranging from 5.7% on margin balances of $50 million or more to 6.75% on margin balances of up to $50,000. […]