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: Jun 29, 8:00 PM EST
Polymarket
This market tracks which company will own the third-ranked AI model on the Chatbot Arena LLM Leaderboard by the end of June 2026, using the Style Control On ranking methodology. On Polymarket, Anthropic holds 78.2% probability of securing the #3 position, while OpenAI stands at 7.5%. The resolution will be determined by checking the Text Arena Overall Leaderboard at https://lmarena.ai/ on June 30, 2026 at 12:00 PM ET, with ties broken by Arena score and then alphabetical company order. Watch the Chatbot Arena rankings as they evolve through June 2026 to track shifts in model performance leading up to the June 30 resolution checkpoint.
This market will resolve according to the company that owns the model that has the third-highest arena rank (Style Control On) based on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the "Leaderboard" tab is checked on June 30, 2026, 12:00 PM ET. Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control on will be used to resolve this market. Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies third place under this ranking system. The resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Prediction market odds on Polymarket reflect real-money trader conviction about third-ranked AI model ownership, which often diverges from published analyst rankings and forecasts. While research firms may issue periodic reports on leading AI labs and their model capabilities, prediction markets incorporate forward-looking bets and incorporate new information rapidly. Comparing market-implied probabilities to analyst consensus can reveal where traders expect surprises in model development timelines, capability breakthroughs, or competitive positioning by June 2026.
This prediction market resolves on Jun 30, 2026. The outcome is determined by identifying which company's AI model ranks third according to the specified evaluation criteria at that time. Traders should monitor official model benchmarks, capability assessments, and industry rankings as the resolution date approaches to understand how the market's leading outcome may shift based on new developments in AI model performance and competitive releases.
Key catalysts include major AI model releases or updates from leading companies, published benchmark results comparing model capabilities, announcements of new partnerships or funding, and shifts in model performance on standardized tests. Regulatory decisions affecting AI development, changes in computational resource availability, and breakthroughs in specific AI domains could alter competitive rankings. Media coverage of model capabilities and industry analyst reports may also influence trader sentiment and shift market odds as June 2026 approaches.