AOS, INC. (TradingBlock)

TradingBlock, founded in 2003 and headquartered in Chicago, Illinois, is a technology-driven online brokerage firm. Its core mission is to empower self-directed investors by providing tools and services that help them identify new strategies for generating portfolio income, balance risk, and optimize their trading time. The company aims to deliver professional-grade trading access through its platforms.

The firm offers electronic trading access to a wide range of asset classes, including U.S. equities, options, and futures. TradingBlock provides advanced order routing, customizable interfaces, and specialized options trading tools designed for sophisticated strategies. Beyond individual traders, it serves a diverse market segment including small institutions, asset managers, hedge funds, and Registered Investment Advisors (RIAs), offering services like mini-prime brokerage and portfolio margin. The company also provides a customizable web-based trading dashboard and mobile app, catering to both professional and retail investors.

In a significant development in January 2026, TradingBlock announced its integration with Nant Global Finance, Inc., a newly established capital markets platform focused on modernizing public-market infrastructure through blockchain-enabled settlement technology, pending FINRA approvals. TradingBlock, led by CEO Jere Wickert, will continue to operate as a regulated broker-dealer within this broader ecosystem. The company has received industry recognition, being named "2025 Best Brokerage for Options Trading" by Benzinga and "Trading Platform of the Year" in the 2026 FinTech Breakthrough Awards Program, underscoring its commitment to innovation and professional-grade trading solutions.

Latest updates

TradingBlock Wins 'Trading Platform of the Year' Amid Retail Trading Surge

Event summary

  • TradingBlock was named 'Trading Platform of the Year' by FinTech Breakthrough on March 24, 2026.
  • The award recognizes TradingBlock's customizable platform catering to both retail and professional traders.
  • TradingBlock processes over 600,000 trades and 4 million options contracts monthly.
  • The company, founded in 2003, offers broker-neutral execution and custom algorithmic routing for professional clients.

The big picture

TradingBlock's award highlights the ongoing democratization of trading tools, previously exclusive to institutional investors. The company's ability to bridge the gap between professional and retail trading, offering sophisticated features at competitive prices, positions it to capitalize on the continued growth of self-directed investing. However, the company's reliance on options trading and complex routing strategies exposes it to heightened regulatory and operational risks.

What we're watching

Retail Adoption
The platform's success hinges on continued retail investor engagement, which may be impacted by broader market volatility and regulatory changes affecting retail trading access.
Competitive Landscape
Increased competition from established brokers and emerging fintech platforms could erode TradingBlock’s market share if it fails to maintain a technological edge and attract new users.
Regulatory Scrutiny
The platform's offering of broker-neutral execution and custom algorithmic routing may draw increased regulatory scrutiny, potentially impacting operational flexibility and compliance costs.

TradingBlock Automates IRA Cash Management, Expanding Digital Brokerage Services

Event summary

  • TradingBlock launched full online cash management capabilities for qualified IRA brokerage accounts on March 17, 2026.
  • The new features include digital deposits/withdrawals, tax-withholding management, transfer automation, and external financial institution linking.
  • The platform supports Traditional, Roth, and SEP IRAs.
  • TradingBlock is a FINRA-member broker-dealer founded in 2003, serving individual traders, institutions, hedge funds, and RIAs.

The big picture

TradingBlock’s move to fully digitize IRA cash management reflects a broader trend among online brokers to reduce operational friction and enhance client self-service capabilities. This feature set is increasingly expected by retail investors, particularly those comfortable with digital platforms, and represents a key differentiator in a competitive landscape. The expansion also positions TradingBlock to capture a larger share of the retirement asset management market, which is experiencing significant growth.

What we're watching

Client Adoption
The pace at which TradingBlock’s IRA clients adopt these new digital cash management tools will indicate the platform’s usability and perceived value, impacting potential AUM growth.
Competitive Response
Other brokerage platforms will likely accelerate their own digital IRA cash management offerings, intensifying competition for retirement asset flows.
Regulatory Scrutiny
Expanded digital functionality in retirement accounts may attract increased regulatory scrutiny regarding data security, tax compliance, and suitability of investment advice.

TradingBlock Hires Data Science Vet to Bolster Options Trading Platform

Event summary

  • TradingBlock appointed Michael 'Dr. Data' Rechenthin as Chief Innovation Officer, effective immediately.
  • Rechenthin previously served as Managing Director of Research and Development at tastytrade for nearly 12 years.
  • He brings experience from Small Exchange, Quiet Foundation (acquired by IG Group), and founding Cherry Picks.
  • TradingBlock was recently recognized as the '2025 Best Brokerage for Options Trading' by Benzinga.
  • Rechenthin's role includes leading AI, big-data analytics, and quantitative research initiatives for TradingBlock.

The big picture

TradingBlock’s hire underscores the intensifying competition in the online brokerage space, where data science and AI are becoming critical differentiators. The firm's focus on customization and options trading, combined with Rechenthin’s experience, positions it to capture market share from larger, more traditional brokers. This move signals a strategic bet on advanced analytics to enhance both the trader experience and TradingBlock’s operational efficiency.

What we're watching

Product Evolution
The integration of Rechenthin’s expertise will likely accelerate the development of new features and data-driven tools within TradingBlock’s customizable platform, potentially impacting its competitive positioning.
Talent Migration
Whether Rechenthin’s departure from tastytrade signals a broader shift of talent from established players to smaller, more agile brokerage platforms warrants further observation.
Customer Adoption
The pace at which TradingBlock’s clients adopt and utilize the new AI-powered tools and analytics will determine the tangible impact on trading performance and customer retention.

Nant Global Finance Acquires My IPO to Expand Blockchain-Enabled Capital Markets Platform

Event summary

  • TradingBlock’s My IPO platform has been acquired by Nant Global Finance, Inc. (NANT), a newly formed capital markets platform.
  • The acquisition is subject to final FINRA approvals.
  • NANT is described as a blockchain-enabled platform aiming to modernize capital markets infrastructure.
  • My IPO’s mission is to democratize access to IPOs and other offerings, previously limited to institutions or high-net-worth investors.
  • NANT is backed by Dr. Patrick Soon-Shiong and has a strategic partnership with the Los Angeles Times.

The big picture

This acquisition signals a continued push to leverage blockchain technology for greater efficiency and accessibility within capital markets. Nant Global Finance’s entry into the space, backed by significant investment, suggests a broader trend of established players seeking to disrupt traditional financial infrastructure. The move also underscores the ongoing effort to democratize access to IPOs, a strategy that could reshape investor participation in public offerings.

What we're watching

Regulatory Hurdles
The acquisition's completion hinges on FINRA approval, which could introduce delays or require modifications to the planned integration.
Blockchain Integration
The extent to which My IPO’s operations will genuinely leverage NANT’s blockchain infrastructure will determine the platform’s competitive advantage and ability to deliver on promised efficiencies.
Market Adoption
Whether My IPO can successfully attract a broader range of offerings and investors beyond its current user base will be critical for NANT’s overall success.

TradingBlock Acquired by Nant Global Finance to Integrate Blockchain Infrastructure

Event summary

  • TradingBlock, a brokerage specializing in options trading (recognized as '2025 Best Brokerage for Options Trading' by Benzinga), has been acquired by Nant Global Finance (NANT).
  • NANT is a newly formed, blockchain-enabled capital markets platform backed by Dr. Patrick Soon-Shiong and the Los Angeles Times.
  • The acquisition is subject to final FINRA approvals.
  • TradingBlock will continue to operate as a regulated broker-dealer, maintaining existing customer relationships and platforms.
  • NANT aims to integrate TradingBlock into a broader capital markets ecosystem encompassing broker-dealers, transfer agents, exchanges, and blockchain settlement infrastructure.

The big picture

This acquisition represents a strategic move by NANT to establish a foothold in the active trading market while leveraging blockchain technology to modernize capital markets infrastructure. The partnership combines TradingBlock’s established brokerage with NANT’s ambitious vision for a fully integrated, blockchain-based ecosystem, signaling a broader trend toward decentralized and tokenized financial services. The success of this venture will depend on navigating regulatory complexities and demonstrating tangible benefits to both TradingBlock’s existing client base and potential new users.

What we're watching

Regulatory Hurdles
The acquisition's finalization hinges on FINRA approval, which could introduce delays or require modifications to the integration plan. The speed of approval will signal NANT's regulatory standing and TradingBlock's integration strategy.
Blockchain Adoption
How effectively TradingBlock integrates blockchain technologies will determine the realization of NANT's vision for enhanced transparency and efficiency, and whether these features will attract new clients or retain existing ones.
Competitive Response
Other brokerage firms may react to NANT's blockchain-enabled platform by accelerating their own digital asset initiatives, potentially intensifying competition for active and professional traders.
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