In August 2020, the US 4th Circuit Court of Appeals reversed the US District Court for the Eastern District of Virginia's Order vacating and remanding for hearing before a new arbitration panel a modified arbitration award against Interactive Brokers. You can read the Appeals Court's Order here. Previously in January 2018, a FINRA panel in Richmond, VA ordered Interactive Brokers to pay at least $1,544,843 in compensatory damages and attorneys' fees. You can read the modified award here. Dr. McCann testified on liability and damages over Interactive Broker's application of portfolio margin rules to a portfolio of VXX ETNs and options on VXX ETNs.