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What is Bee Keeper?
There are no SCOTUS-prediction market contracts currently on Kalshi but Polymarket lists a 41% probability that the court will accept an event contract case by 31 December.
A hearing before the Supreme Court would be the culmination of what has been the biggest sports betting-related development since PASPA. Perhaps no other issue has united gaming stakeholders from various companies, tribes, states and regulators.
Beginning with the US presidential elections in November 2024, when prediction markets catapulted into mainstream culture, their rise has been undeniable. Kalshi and Polymarket have seen their valuations balloon to $40 billion and $21 billion, respectively, and the majority of the top US bookmakers have scrambled to expand into the prediction space in various forms, either by building their own exchanges, acquiring existing ones or engaging in market-making.
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This selection reflects a mix of both local and internationally-based operators. The list reflects operators that were previously active in the market, meaning so far no new operators have received an approval to operate.
Both LiveScore and Tombola, who were a part of the original 10 operators to receive a licence, exited the market in 2024.
Compared to the 2021 licensing round, the KSA adopted a more granular and stringent approach to its licence renewal process. This was expected following new policy rules set out by the regulator in September 2025.
How to play Bee Keeper
While simulations and validation exercises had helped Kambi prepare for the traffic and operational demands of the 2026 World Cup, testing could not establish how performance would compare with the wider market once the football began.
Independent analysis by Bettormetrics found Kambi partners either led or shared the lead on measures including time to market, live uptime and bet delay. It also outperformed its B2C and B2B competitors on live uptime in World Cup markets including over/unders on total goals.
“All the testing in the world cannot tell you precisely where you stand against the rest of the market on key aspects of the product,” Lamb says. “It was very positive to see Kambi as a leader in these key metrics.”
