Sports·5 min read·LOS ANGELES
NBA Cup 2026 Prediction Markets: The California Group
The Lakers, Warriors and Kings share West Group C. Official dates, knockout rules, past winners and what to check before interpreting an NBA Cup contract.
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About the author
Catie Di Stefano
Catie Di Stefano has spent 15 years in the regulated gambling industry, starting at Betsson Group in Malta and spending nearly five years at Gaming Innovation Group (GiG) before building an independent consultancy across European and US iGaming brands, including a licensed engagement with Hard Rock Hotel & Casino Atlantic City under a New Jersey DGE vendor license. She's been interviewed by the California Business Journal on the rise of online gambling in the US, and spoke on a 2022 Next.io panel specifically about California's gaming market. She went on to build the OnlineGamblers.com brand and hold marketing director roles at Smartico.ai and Vegas Kings, and has been named to multiple iGamingExpress industry rankings. She now covers regulated prediction markets full-time.
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Sources & further reading
Every figure and legal claim on this page traces back to a primary source. These are the ones we checked, open them and verify us.
- NBA: 2026 Cup groups
Official group draw.
- NBA: 2026 Cup schedule
Group and knockout dates.
- NBA: Cup format
Tiebreakers and wild cards.
Frequently asked questions
Which California teams share a 2026 NBA Cup group?
- The Lakers, Warriors and Kings share West Group C with the Spurs and Trail Blazers. The Clippers are in West Group B.
When does the 2026 NBA Cup start and end?
- Group play begins October 30, with the final scheduled for December 11 at Hinkle Fieldhouse in Indianapolis.
Can a second-place team advance?
- Yes. One second-place wild card from each conference advances to the eight-team knockout stage.
Where can I see current Cup contract prices?
- Check a specific US operator and its contract rules. This guide does not publish a quote without a reproducible primary market snapshot.
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Next steps
Top platforms Californians are using:
Polymarket
The world's largest prediction market, now live on iPhone in the US.
Sign up at Polymarket21+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See polymarket.com/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.
ProphetX
Your sports prediction market. Same moments, bigger payouts. Now available nationwide.
Sign up at ProphetXKalshi
The regulatory leader.
Sign up at KalshiCertain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 21+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.
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