Will Scott Dixon win the Indy 500?

This is a market on whether Scott Dixon will win the 105th Running of the Indianapolis 500 (Indy 500), scheduled to take place on May 30, 2021. This market will resolve to “Yes” if Scott Dixon is the official first place finisher at the 2021 Indy 500 race. Otherwise, this market will resolve to “No.” This market will resolve after the 2021 Indy 500 race is completed, and the post-race inspections have been completed. If for any reason, the race is postponed to a date earlier than June 15, 2021, 12:00 PM ET, then the same rules will apply. If the race is postponed to a date later than June 15, 2021, 12:00 PM ET, then this market will resolve to $0.20 for “Yes” shares and $0.80 for “No” shares, in line with pre-race odds. In the event of ambiguity in terms of the market outcome, the market will be resolved in good faith at the sole discretion of the Markets Integrity Committee (MIC).

How trading works

Polymarket uses a central limit order book (CLOB) model — you can buy or sell shares of any outcome at the current market price, or place limit orders at your target price. All positions are settled in USDC when the market resolves.

Resolution

Markets resolve through UMA's Optimistic Oracle. After the market closes, a proposer submits a resolution, followed by a 2-hour dispute window. If no dispute is raised, the resolution is accepted. Disputed markets go to UMA token holder vote.