TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 29, 10:00 AM EST
Kalshi
This event determines which AI coding model performs best on the LM Code Arena Leaderboard, a benchmark that evaluates large language models on their ability to solve coding problems. The leaderboard ranking on June 29, 2026 at 10:00 AM ET will be checked to identify the top-performing model among the specified candidates.
Resolution is based on the LM Code Arena Leaderboard ranking as of June 29, 2026 at 10:00 AM ET. The model ranked #1 on that date and time resolves to Yes. In the event of a tie in rank position, tiebreakers are applied in the following order: highest Arena Score, most votes received, and earliest release date. Only the model that achieves the #1 position through this hierarchy can resolve to Yes.
Prediction market odds often diverge from traditional analyst forecasts because they reflect real-money incentives and crowd wisdom rather than individual expert opinion. On this market, traders stake capital on their conviction about which coding AI will lead, creating dynamic prices that adjust faster than published analyst reports. While research firms may issue quarterly rankings, prediction markets incorporate breaking news, benchmark releases, and user adoption signals in real time. This market-driven pricing can reveal gaps between consensus analyst views and what informed traders actually expect, making it a complementary signal for tracking shifts in the competitive landscape.
On Kalshi, this market is priced through a continuous order book where buyers and sellers trade shares representing each coding AI outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares at the current ask price if they believe that candidate will finish first, or sell shares at the bid if they expect it will not. The spread between bid and ask reflects market liquidity and uncertainty; tighter spreads indicate high confidence and trading activity, while wider spreads suggest lower conviction or thinner participation. Prices move as new orders flow in, with each trade updating the implied probability displayed on the platform.
This market resolves around Jun 29, 2026, at which point the outcome will be confirmed against credible public sources and verified reporting on which coding AI ranked as the top performer during the specified week. Resolution hinges on transparent, widely-recognized benchmarks and usage data published by reputable industry analysts or technology publications. Once the event is verifiable from established public reporting, Kalshi will settle all positions accordingly. Traders should monitor announcements from major AI evaluation firms and tech news outlets in the days leading up to the resolution date.
Several catalysts could shift odds significantly before resolution. Major benchmark releases or leaderboard updates from platforms like LeetCode, HackerRank, or independent AI evaluation sites will directly influence trader expectations. Product announcements—such as new features, improved accuracy, or expanded language support—can reshape perceptions of competitive strength. High-profile endorsements or adoption by major tech companies may also move prices. Additionally, performance comparisons published by respected researchers, viral social media discussions highlighting specific strengths or weaknesses, and real-world usage metrics reported by industry trackers all serve as information signals that traders incorporate into their positions.