Gensler amicus brief challenges CFTC authority over sports-related event contracts
The Sixth Circuit filing undercuts Kalshi and current CFTC leadership pushing federal primacy over state gaming rules.
Start hereKalshi is a federally regulated U.S. derivatives exchange where traders buy and sell yes-or-no event contracts that settle at $1 or $0.

Kalshi’s core cost is a per-contract fee that peaks at 1.75¢ at 50¢, plus separate deposit and withdrawal charges that depend on payment method.

Kalshi lists CFTC-regulated election event contracts that trade from $0 to $1 and settle at $1 or $0, so the price can be read as a probability only when the market is liquid and the rules are clear.
The Sixth Circuit filing undercuts Kalshi and current CFTC leadership pushing federal primacy over state gaming rules.
Polymarket’s 2025 volume was estimated at $22B–$40B, with three sports contracts topping $730M combined.
Bryan Steil expects House leaders to tee up a summer floor vote pairing the add-on with a congressional stock-trading ban.
BTC printed an intraday low near $66,948 as traders refocused on the $66,250 50-month EMA and deeper downside zones.
Regulators expect the proceedings to resolve in three to four months, keeping access restricted in the interim.
Comer alleged 80+ Iran-linked “suspiciously timed” trades and cited a May 13 report on geopolitics and election contracts.
The platform has appointed Mike Eidlin to lead local efforts while Japan remains on its restricted-jurisdiction list.
The new contracts let traders price fundraises, valuation changes, and other private-company milestones.
The wallets’ biggest positions were timed just ahead of major US military-related developments, reviving insider-trading scrutiny.