Video · 25 Oct 2026
2028 contracts lead the politics board: Polymarket's Democratic nominee event has $1.30bn in lifetime notional
Ranked by lifetime notional at $1 face per contract.
Full board and sources →Prediction Markets
Event contracts, the platforms that list them, and the regulators, courts and states arguing over them.
Video · 25 Oct 2026
Bitcoin and Fed contracts lead the financial board; Polymarket's 2026 Bitcoin price event tops it at $78.2m notional
Ranked by lifetime notional at $1 face per contract.
Full board and sources →Latest stories
Utah sues Kalshi as midterm prediction markets top $1.4bn in volume
Utah has filed suit against Kalshi and two Susquehanna firms, Polymarket has sued Ohio, and trading on the midterm elections has passed $1.4bn.
CFTC formally proposes that event contracts count as swaps; comments due 18 November
The regulator has also asked Novig and ProphetX to hold off on 'micro' sports contracts.
Malta's regulator explains how prediction markets may fall under MiFID II, gambling law or MiCA
An MFSA circular says some event contracts are financial instruments and some are not. Operators must assess each contract, and a single platform could fall under several regimes at once.
OG.com and Novig sue Missouri a day before cease-and-desist deadline
Two CFTC-registered exchanges have gone to federal court to stop Missouri's attorney general treating sports event contracts as unlicensed betting under the state's 2024 constitutional amendment.
Canada's CIRO bans sports event contracts and stops dealers displaying unpermitted contracts
Updated terms and conditions bar sports and entertainment contracts outright. Dealers may not show, rank or put on watchlists contracts they cannot offer, and permitted contracts must use objective indicators.
Kalshi seeks Sixth Circuit rehearing as gaming interests pile into the Supreme Court
Kalshi's en banc petition relies on the CFTC's 9 October rulemakings. Meanwhile, more than a dozen amicus briefs have been filed in New Jersey's certiorari bid.
Chicago judge finds Illinois gambling law likely pre-empted for Kalshi title-game contracts
Judge Pacold calls the contracts swaps that 'people find entertaining and fun', in a ruling that cuts against the Sixth Circuit a week earlier.
Sixth Circuit rules against Kalshi in Ohio and Tennessee
The panel says Kalshi has not shown its sports contracts are swaps, and says the CEA would not pre-empt state gambling law even if they were.
New York sues Polymarket US as an illegal gambling operation
The attorney general wants forfeiture, restitution and fines of three times the gains. Polymarket responded the same day with its own federal pre-emption suit.