Interactive Brokers Group, Inc. (NASDAQ:IBKR) shares slipped in Tuesday's extended trading after the company released its fourth quarter earnings report, despite beating estimates on the top and bottom lines.

Here's a look at the key figures from the quarter. 

• IBKR stock is moving. Watch the price action here.

The Details: Interactive Brokers reported quarterly earnings of 65 cents per share, which beat the consensus estimate of 59 cents, according to estimates from Benzinga Pro.

Quarterly revenue came in at $1.64 billion, which beat the analyst consensus estimate of $1.61 billion and was up from revenue of $1.39 billion from the same period last year.

Interactive Brokers reported the following fourth-quarter highlights, as compared to the year-ago quarter:

• Customer accounts increased 32% to 4.4 million.
• Customer equity increased 37% to $779.9 billion.
• Commission revenue increased 22% to $582 million on higher customer trading volumes.
• Customer trading volume in options, futures and stocks increased 27%, 22% and 16%, respectively.
• Net interest income increased 20% to $966 million on higher average customer margin loans and customer credit balances and stronger securities lending activity.
• Pretax profit margin for the current quarter was 79% both as reported and as adjusted. For the year-ago quarter, pretax margin was 75% as reported and 76% as adjusted.

IBKR Stock Price: According to data from Benzinga Pro, Interactive Brokers stock dropped 1.11% to $70.72 in Tuesday's extended trading.  

Photo: Shutterstock