TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 31, 5:36 PM EST
Polymarket
This market will resolve according to the company that owns the model with the second-highest arena rank based on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the "Leaderboard" tab is checked on July 31, 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 off 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 second 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 resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
This market will resolve according to the company that owns the model with the second-highest arena rank based on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the "Leaderboard" tab is checked on July 31, 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 off 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 second 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 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 aggregated trader conviction and often diverge from traditional analyst forecasts on AI leadership rankings. While analysts typically issue periodic reports on AI model performance based on benchmarks and research papers, prediction markets incorporate real-time information and incentivize accuracy through financial stakes. Traders on Polymarket may price in emerging model releases, funding announcements, or competitive shifts faster than formal analyst updates. Comparing market odds to published forecasts from AI research firms and technology analysts reveals whether the crowd is more bullish or bearish on a particular company's chances of securing the second-best model position by Jul 31, 2026.
The market resolves on Jul 31, 2026. Resolution is determined by identifying which company's AI model ranks second in capability at that time, based on established evaluation criteria and benchmarks recognized by the prediction market platform. The outcome hinges on comparative performance metrics, published rankings from credible AI research organizations, and model capabilities as measured against competitors. Traders should monitor official AI benchmark releases, model announcements, and industry assessments in the months leading up to resolution to anticipate how the final ranking will be determined and which company will hold the second-best position.
Key catalysts include major AI model releases or updates from leading companies, performance results on standardized benchmarks, and announcements of new capabilities or training breakthroughs. Funding rounds, partnerships, or talent acquisitions can shift market perception of a company's AI trajectory. Regulatory developments affecting AI deployment, competitive product launches, and published research papers demonstrating capability gaps or advantages will influence trader positioning. Media coverage of AI safety, performance comparisons, and industry rankings also moves odds. Unexpected technical breakthroughs or setbacks by any competitor can rapidly reprice the market as traders reassess which company will occupy the second-best position by Jul 31, 2026.