aid: citadel-securities
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/citadel-securities.png
name: Citadel Securities
description: 'Citadel Securities is one of the world''s leading market makers and electronic trading
  firms, providing liquidity and price discovery across equities, options, exchange-traded funds, fixed
  income, currencies, and commodities for institutional and retail investors globally. Founded in 2002
  by Ken Griffin, the firm operates a high-performance, technology-driven trading platform. It is a
  privately held financial-services company and does not publish a public developer API or developer
  portal; this profile tracks its identity and public infrastructure posture within the API Evangelist
  network.'
url: https://raw.githubusercontent.com/api-evangelist/citadel-securities/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- paradigm
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Fintech
- Financial Services
- Market Maker
- Electronic Trading
- Liquidity
- Capital Markets
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/citadel-securities-domain-security.yml
- type: Website
  url: https://www.citadelsecurities.com
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence