TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Nov 1, 10:33 PM EST
Opinion
This market will resolve according to the company which owns the model which has the highest arena rank based on the arena.ai Text Arena (Overall) when the table under the "Leaderboard" tab is checked on October 31, 2026, 12:00 PM ET. Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall-no-style-control with style control off (Adjustments: None) and filtered for "Models" will be used to resolve this market. Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score. 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 still 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 “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking. The resolution source for this market is the arena.ai Text Arena (Overall). 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.
This market will resolve according to the company which owns the model which has the highest arena rank based on the arena.ai Text Arena (Overall) when the table under the "Leaderboard" tab is checked on October 31, 2026, 12:00 PM ET. Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall-no-style-control with style control off (Adjustments: None) and filtered for "Models" will be used to resolve this market. Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score. 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 still 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 “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking. The resolution source for this market is the arena.ai Text Arena (Overall). 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.
Currently, it's difficult to draw direct comparisons between the odds in this market and traditional analyst forecasts, as the field of AI model performance is rapidly evolving and subjective. However, the collective wisdom of traders on Opinion often provides a different perspective than individual expert opinions. If analysts widely believe a particular company is leading, we might see that reflected in higher probabilities here, but the market can also incorporate information and insights that aren’t yet reflected in mainstream analysis. This dynamic makes this market a fascinating gauge of collective belief.
On Opinion, this market is priced through a continuous order book where traders buy and sell contracts representing their belief in each company’s likelihood of having the best AI model. The price of each contract fluctuates based on supply and demand, with higher prices indicating greater perceived probability. On Opinion, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This means that the odds you see reflect the aggregate assessment of all participants trading on the platform, rather than a fixed calculation or external valuation. The market dynamically adjusts as new information becomes available and traders update their views.
This market resolves around Oct 31, 2026, with the outcome determined by identifying which company is widely considered to have the best overall AI model as of that date. This assessment will be verified against credible public reporting from leading technology publications, research institutions, and industry benchmarks. The company deemed to have the most advanced and capable AI model, based on these sources, will be declared the winner of this market. The resolution will focus on overall capability, considering factors like performance, efficiency, and innovation.
Several signals could significantly impact this market. Major announcements from leading AI companies regarding new model releases or breakthroughs in performance would likely cause shifts in probabilities. Independent benchmark results published by respected research organizations, demonstrating the capabilities of different models, could also be a catalyst. Unexpected regulatory changes impacting the development or deployment of AI could introduce uncertainty and volatility. Finally, any significant acquisitions or partnerships within the AI industry could reshape the competitive landscape and influence trading activity in this market.