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Instinct
YC W26San Francisco, US · Founded 2026 · 5 employees · 6 known investors
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Instinct is a mobile trading app that gives users access to global financial markets and liquidity.
Also known as Assonant, Inc. · Assonant
AI & Machine LearningFintechArtificial IntelligenceMachine LearningTradingCryptocurrencyUnited States of AmericaAmerica / CanadaPartly Remote
Founders & leadership· Y Combinator alumni (W26)
Instinct was founded in 2026 by Joon Won Song and Eunju Moon.
JW
Joon Won SongCo-FounderJoon Won Song worked as a quantitative developer at Squarepoint Capital and studied electrical engineering and computer science at Imperial College London.
EM
Eunju MoonCo-Founder and CTOEunju Moon studied theoretical physics at Imperial College and pursued doctoral research in quantum computing at USC before leaving to pursue other interests.
JD
JP
Joe PapworthFounder
Investors · 6
Y Combinatorlisted by Y CombinatorSan Francisco · $500K
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
20VCreportedLondon · $250K – $5M
How we know: Y Combinator's founder network · Not right? Tell us
AlbionVCreportedLondon
How we know: funding news · Not right? Tell us
Convective CapitalreportedSan Francisco
How we know: open dataset · 5k.vc investor directory · Not right? Tell us
Related companies · 5
AYC FundAYC Fund is an AI-driven quantitative trading firm that combines machine-learning research and automated execution to manage private systematic investment programs for qualified clients in digital assets. The firm operates under YC backing and serves institutional investors through dedicated investment vehicles.
HapiHapi offers Latin American consumers a mobile platform to buy stocks, ETFs, and cryptocurrencies without account minimums or trading fees, accessible in minutes.
NFTScoringSingular was an NFT trading exchange that provided analytics, advanced technical analysis tools, and gas-free listing cancellations for professional traders; the company shut down in 2024 due to prolonged NFT market downturn and unsustainable operating costs.
TheraThera is a payroll and payments platform that processes payroll, contractor payments, and business spend while earning rewards points. The platform serves startups, small businesses, and global teams, offering US payroll, international contractor payments in 150+ countries, and employer of record services for hiring across 150+ countries.
KarsaKarsa offers business and personal banking services for companies across 50+ countries, providing multi-currency accounts, international payments, and corporate cards with support for ACH, wire transfers, SWIFT, SEPA, and stablecoin transactions.
Companies working in the same space as Instinct.
Legal entities · 1
corporate structureAssonant, Inc.
Frequently asked questions
- What does Instinct do?
- Instinct is a mobile trading app that gives users access to global financial markets and liquidity.
- Who founded Instinct?
- Instinct was founded by Joon Won Song, Eunju Moon in 2026.
- Who are Instinct's investors?
- Instinct's investors include Y Combinator, 20VC, AlbionVC, Convective Capital, Elevate Capital, Techstars.
- Where is Instinct headquartered?
- Instinct is headquartered in San Francisco, US.