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NEW YORK - ALT5 Sigma Corporation (NASDAQ:ALTS), a $110 million market cap fintech company, has completed integration of its ALT5 Prime FIX API with Fundamental Interaction’s trading technology, the company announced Wednesday.
The integration enables FINRA-registered broker-dealers and Alternative Trading Systems to access digital asset markets using the same infrastructure they currently employ for traditional securities trading.
The system provides real-time execution and settlement for cryptocurrencies including Bitcoin, Ethereum and Solana through FIX 4.4 protocol compatibility, alongside built-in compliance tools and risk management modules.
"By integrating with Fundamental Interaction’s Real-Time Trading System, we are enabling FINRA-regulated firms to offer secure and compliant access to crypto markets alongside equities and alternatives," said Peter Tassiopoulos, CEO of ALT5 Sigma Corp.
Shawn Sloves, CEO of Fundamental Interaction, noted that clients had requested a way to incorporate digital assets without changing their existing workflows.
The integration targets the more than 3,300 FINRA-registered broker-dealers in the United States that collectively manage trillions in assets and facilitate billions in trades annually. The move comes as ALTS shares have surged 281.96% over the past year, with a 29.78% gain year-to-date. According to InvestingPro analysis, the stock appears overvalued at current levels, trading near $6.39.
ALT5 Sigma, which joined the Russell Microcap Growth, Russell 3000E, and Russell 3000E Growth Indexes in June 2025, offers blockchain infrastructure technologies through its ALT5 Pay and ALT5 Prime platforms. With annual revenue of $18.05 million and a "FAIR" financial health rating from InvestingPro, which offers 12 additional key insights about the company, ALT5 Sigma reports processing over $5 billion in cryptocurrency transactions since its founding in 2018.
This information is based on a press release statement from ALT5 Sigma Corporation.
In other recent news, ALT5 Sigma Corporation has announced the integration of Lightning Network capabilities on its platform, a move that facilitates instantaneous and cost-effective Bitcoin transactions. This development is expected to enhance transaction speed and stability for enterprises, with future plans to include Tether (USDT) stablecoin transactions. Additionally, ALT5 Sigma has been included in the Russell Microcap Growth, Russell 3000E, and Russell 3000E Growth Indexes as part of the 2025 Russell indexes reconstitution. This inclusion marks an expansion from its previous listing in the Russell Microcap Index since June 2024.
The company also expressed support for the GENIUS Act, a new regulatory framework for stablecoin issuance in the United States. ALT5 Sigma’s CEO, Peter Tassiopoulos, noted that this legislation provides a clear legal foundation for U.S. enterprises. In governance updates, the company appointed David Danziger to its board of directors following the passing of longtime director Richard Butler. These developments reflect ALT5 Sigma’s ongoing efforts to enhance its financial infrastructure and governance.
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