T3 Trading Group – T3 Trading Solutions T3 Trading Group, LLC, a Registered SEC Broker-Dealer & Member of FINRA/SIPC, strives to be a complete destination for traders looking to maximize their performance in today’s … T3 Trading Group, LLC, a Registered SEC Broker-Dealer & Member of FINRA/SIPC, strives to be a complete destination for traders looking to maximize their performance in today’s …