- Polymarket
- Polymarket is an order-book market: the price is whatever two traders agree on, and a share that settles at $1 quotes as a probability directly.
- Polymarket's taker fee is a fraction of a percent, which makes its headline quote very close to the all-in cost and often the cheapest of the exchanges in the middle of the price range.
- Polymarket runs deep liquidity on headline games and much thinner books on the rest of the slate, and its player-prop coverage is still filling in — check the size behind a quote, not just the quote.
- DraftKings
- The DraftKings sportsbook sets the line, prices both sides with its margin included, and takes the other side of your bet itself. DraftKings Predictions is a separate, CFTC-regulated product with its own pricing and its own state list.
- DraftKings' margin is inside the price. You pay it on every bet you place, whether that bet wins or loses.
- DraftKings offers the widest US player-prop menu of any venue on this site.