The platform connects US traders to OG.com Markets and supports sports combinations of two to 20 predictions, with any losing leg making the entire combo a loss.

Combos supplied roughly 70% of weekend notional volume, according to Bitcoin.com’s analysis, but that measure is not cash spent by buyers or a count of new users.

Three wagers costing about $19, $74 and $80 preceded reports of Katie Zacharia’s selection. The contract has settled Yes, but individual withdrawal restrictions remain unclear.

Traders read a Sunday post as a tease of POLY. Coplan described an onchain asset tied to the company's economics, named no structure and set no date

Coinbase added short-dated up-or-down contracts on bitcoin, ether and eight other tokens to its prediction markets on Tuesday. Kalshi lists the contracts and already runs the same 15-minute markets on its own exchange.

Sequoia and Wellington are in talks to lead the financing, which would lift Kalshi's valuation about 82% above its confirmed May round.

Trueo said it will make Ethereum mainnet its primary deployment and build its next oracle there. Vitalik Buterin called the project “ethical and not corposlop.” The TRUE token is up 900% in 24 hours. Trueo's contracts are still deployed only on Base, and no migration date has been set.

The prediction market listed 67 perpetual futures contracts on stocks, crypto, indices and commodities. Order placement is blocked from the United States.

Google Trends set its five-year high for "prediction market" the week the 2026 World Cup opened, and its single-day high on the day of the final. Category volume hit a record in July. August is pacing lower on both, and Polymarket is falling behind Kalshi faster than the mindshare data suggests.

Trepa and Fireplace both told users to withdraw by Sept. 30. One published a post-mortem arguing crypto's active user base is far smaller than the industry reports.