Articles Tagged with TradingBlock

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The securities lawyers at Gana Weinstein LLP represent investors who have been mistreated by their brokers and suffered investment losses. Our firm is experienced in bringing claims against brokerage firms, such as Tradingblock, to hold Wall Street responsible for their misconduct. When a client contacts our firm they can expect that our attorneys will have the knowledge and ability to evaluate the potential claims and analyze their trading activity for red flags of misconduct. Our consultations are designed to help provide clients with all available options.

TradingBlock is a technology-driven online brokerage that specializes in options trading, offering a modular trading platform and an executing broker-neutral platform for active traders, hedge funds, asset managers, and registered investment advisors. Founded in 2003 by former Chicago Board Options Exchange floor traders and headquartered in Chicago, the firm announced in January 2026 that it would join Nant Global Finance, a capital markets platform backed by Patrick Soon-Shiong.

Tradingblock – By the Numbers:

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shutterstock_177082523Our investment attorneys are investigating customer complaints filed with The Financial Industry Regulatory Authority (FINRA) against financial advisor Joshua Arnold (Arnold) currently registered with TradingBlock, alleging negligence, unsuitable recommendations, negligent supervision, breach of fiduciary duty, and breach of contract among other claims.  According to brokercheck records Arnold has been subject to ten customer complaints and three regulatory actions.

In September 2016 a customer filed a complaint alleging negligence and unsuitable recommendations that caused $250,000 in damages.  The broker denied all claims.  The claim is current pending.

In November 2015 another customer filed a complaint that Arnold failed to handle the account properly causing a tax penalty.  The claim was resolved for $37,500.

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