Sports betting in South Dakota.
South Dakota doesn't have a full online sportsbook market. Here's the current status, and the regulated alternatives available today.
Prediction markets in South Dakota
CFTC-regulated event exchanges: not sportsbooks, but a legal way to trade sports outcomes in most states. State challenges are ongoing; availability can change quickly.
Common questions
Is online sports betting legal in South Dakota?
South Dakota limits sports betting to Deadwood casinos and tribal properties.
Which sportsbooks operate in South Dakota?
No traditional sportsbooks. Prediction markets Kalshi and Polymarket currently accept South Dakota residents under federal CFTC oversight.
Does Big Mike take bets?
No. Big Mike is an analysis service: the engine compares prices across books against no-vig fair value and texts you the mispriced lines. You place bets at whichever operator you choose.
Some links on this page are partner links, described in our Terms of Use. Availability verified November 2026 and changes monthly; confirm in the app. 21+, where legal. Gambling problem? Call 1-800-GAMBLER.
Whichever South Dakota book you use, Big Mike finds its mispriced lines.
His whole board live, your bets graded against the close, and the best number on every play. 61.5% on the moneyline board · 808 picks graded in public.