TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 27, 8:25 AM EST
Kalshi
This group forecasts the winner of the Men’s Open division at the 2026 Mr. Olympia bodybuilding competition. The event is scheduled for September 26, 2026, in Las Vegas. Resolution relies on the official results announced by Olympia Productions and the IFBB Professional League.
The Mr. Olympia competition is presented annually by Olympia Productions to honor outstanding achievements in professional bodybuilding. The 2026 Olympia in Las Vegas is scheduled for September 24–27, 2026, with the Men’s Open finals on September 26, 2026. This market will resolve according to the listed bodybuilder who wins the 2026 Mr. Olympia Men’s Open title. In the event of a tie according to the official IFBB Professional League scoring system, this market will resolve according to the official tie-break procedure used by the judges to determine the winner. If the listed bodybuilder withdraws or is disqualified before the start of the finals, the corresponding market will immediately resolve to "No". If, for any reason, no winner is declared by December 31, 2026, 11:59 PM ET, this market will resolve to "Other". The primary resolution source for this market will be official information from the Mr. Olympia website (https://mrolympia.com/) and Olympia Productions, including the live broadcast of the event; however, a consensus of credible reporting will also be used.
If Chinedu Obiekea wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Leandro Sencini Peres wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Tonio Burton wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Mohamed Foda wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Jordan Hutchinson wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Quinton Eriya wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Martin Fitzwater wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Michal Krizanek wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Regan Grimes wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Sasan Heirati wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If James Hollingshead wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Damian Kuffel wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Brandon Curry wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Sergey Danilov wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Samson Dauda wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Patrick Moore wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If William Bonac wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Behrooz Tabani Abarghani wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Edward Kargbo wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Nick Walker wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Andrea Presti wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes. If Derek Lunsford wins the 2026 Mr. Olympia (Men's Open), then the market resolves to Yes.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Prices on Polymarket and Kalshi may differ due to variations in user base, market design, and trading volume. Each platform attracts a different set of participants with potentially varying levels of expertise and information. Polymarket might have a higher concentration of casual bettors, while Kalshi could attract more sophisticated traders. Additionally, the specific rules and fees associated with each platform can influence trading behavior and price discovery. These factors contribute to the observed discrepancies in probabilities for the Mr. Olympia championship.
Several factors could significantly impact this market before the Mr. Olympia championship takes place. Major injuries to leading contenders, changes in their training regimens, or controversies surrounding performance-enhancing drugs are all potential catalysts. Public appearances, interviews, and social media activity from athletes could also shift sentiment. Furthermore, results from qualifying events and pre-Olympia competitions will provide valuable insights into each competitor's form and could influence trading activity. Any unexpected developments in the lead-up to the event have the potential to cause substantial movement in this market.