**CFTC guidance issued in July 2026 has tightened requirements for self-certifying sports event contracts under Regulation 40.2, requiring DCMs to submit detailed, contract-specific analyses of settlement methodologies, data sources, Core Principle 3 manipulation risks, and often pre-filing league engagement or information-sharing agreements rather than broad templates.** This advisory, alongside the June 2026 proposed rulemaking clarifying “gaming” definitions and a public-interest framework, has raised compliance costs and review risks while still providing a viable path for standard aggregate sports outcomes like win-loss results or tournament advancement. Railbird (DraftKings’ DCM) completed targeted self-certifications in May 2026 for products such as GAMEWIN and ENTITYSTAT contracts, establishing recent precedent, while CME self-certified earlier listings before filing in August to halt new sports and cultural contract expiries effective September 11. Traders are weighing which platforms possess the resources and prior filings to navigate the stricter process before year-end amid ongoing circuit splits on CEA preemption.