{"changes":[{"companyHref":"/c/prooftrading-com","date":"2026-10-02","documentUrl":"https://www.ycombinator.com/companies/proof-trading","domain":"prooftrading.com","fact":"company:added","name":"Proof Trading","new":"added","old":"","publisher":"Y Combinator","reason":null,"retrievedAt":"2026-10-02","slug":"prooftrading-com","status":"sourced","url":"https://whoraisedwhat.com/c/prooftrading-com"}],"country":"","description":"Institutional equities broker-dealer","domain":"prooftrading.com","employees":null,"founded":null,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"unknown","investors":[],"lat":null,"lng":null,"location":"New York City, NY, USA; New York, NY, USA","name":"Proof Trading","people":[],"rounds":[],"slug":"prooftrading-com","sources":[{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-10-02","status":"sourced","url":"https://www.ycombinator.com/companies/proof-trading"},{"fact":"description","publisher":"Y Combinator","retrievedAt":"2026-10-02","status":"sourced","url":"https://www.ycombinator.com/companies/proof-trading"}],"stage":null,"techStack":[],"totalRaisedUsd":null,"updatedAt":"2026-10-02"}