The Smart Market for Institutional Investors
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
OneChronos is a technology company at the intersection of capital markets, machine learning, and mechanism design. It operates a U.S. equities smart-market ATS that uses periodic auctions and optimization/AI to improve execution quality, transparency, and liquidity for institutional traders, and it is expanding into FX and Europe.
Primary product
U.S. equities Smart Market / ATS (periodic auction execution venue)
Founded
2015
Headquarters
SoHo, New York City, New York, United States
Team size
50-60 employees
Work style
Flexible
Industry
Financial Services
Sub-industry
Alternative Trading System (ATS) / electronic trading venue
0 jobs at OneChronos
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Offices
Business model
Stage
Series B
Total raised
$81.4M
Latest round
Series B-II · Nov 2024
Latest amount
$32M
Nov 2024 · Addition
Sep 2023 · Addition
May 2019 · Green Visor Capital
Seed extension
Dec 2017
Seed
Mar 2016 · Y Combinator
Leadership
Chief Executive Officer and Founder
Founder
Chief Product Officer
Chief Executive Officer, OneChronos Markets
Chief Executive Officer, OneChronos Markets UK
Chief Executive Officer, OneChronos Markets EU
Chief Operating Officer, OneChronos Markets UK
Chief Compliance Officer EMEA
Investors
Public hiring materials describe OneChronos as inclusive, merit-based, and highly selective, with a team of scientists, engineers, traders, and financial professionals. The company emphasizes curiosity, creativity, intrinsic motivation, collaboration, and continuous learning.
Work style
Flexible
Compensation
Public job postings show role-based US salary bands such as roughly $150k-$220k for Systems Engineer, $150k-$200k for Senior DevOps Engineer, and $200k-$250k for Engineering Manager, typically plus potential bonus and ownership interest. No company-wide compensation policy is publicly disclosed.
Benefits
Pricing
Not publicly disclosed; appears to be a venue/transaction-fee model for ATS access and execution services.
Differentiators
Technology
Customers
Competitors
Estimated revenue
$1M-$10M (public profile); annual revenue also listed publicly at about $4.5M
Business Wire / FinancialContent · Jul 2026
OneChronos announced the production launch of regulated UK and EU trading venues for pan-European equities and equity-like instruments, extending its market model into Europe and highlighting Day One subscribers from major investment banks, agency brokers, and institutional trading firms.
Business Wire · Mar 2026
OneChronos launched a spot FX venue using optimization-based auction design, marking its first expansion beyond U.S. equities and reporting roughly $2.85T of institutional securities transactions facilitated through January 2026.
Business Wire · Jul 2025
OneChronos and Auctionomics announced a partnership to build a market for GPU and compute capacity, signaling expansion of OneChronos market-design technology beyond traditional capital markets.
Business Wire · Nov 2024
OneChronos announced $32M in expansion capital led by Addition and said the funds would accelerate growth in existing markets and expansion into new asset classes and geographies.
Business Wire · Sep 2023
OneChronos completed a $40M Series B led by Addition to expand its product offering and footprint across capital markets.