Interactive Brokers Group, Inc. reported unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2013. For the quarter, total revenues were $262.9 million against $259.6 million a year ago. Total net revenues were $249.9 million against $247.1 million a year ago. Income before income taxes was $38.8 million against $96.2 million a year ago. Net income attributable to common stockholders was $3.6 million or $0.07 per basic and diluted share against $9.1 million or $0.19 per basic and diluted share a year ago.

For the full year, total revenues were $1,127.9 million against $1,192.5 million a year ago. Total net revenues were $1,076.2 million against $1,130.5 million a year ago. Income before income taxes was $451.3 million against $527.0 million a year ago. Net income attributable to common stockholders was $37.0 million or $0.73 per diluted share against $40.7 million or $0.89 per basic and diluted share a year ago.