AI: High Information Asymmetry, Announcement-Driven
Markets analysed
7
Avg lead changes
0.6
per market
Avg probability swing
33%
winner min to loser max
One-sided markets
71%
never changed leader
AI markets are one of the fastest-growing categories on Polymarket. They cover model releases (will GPT-5 launch by X date?), benchmark outcomes, company valuations, regulatory decisions, and capability milestones. These markets have unusually high information asymmetry: insiders at AI labs may have materially better information than the rest of the market.
The probability structure of AI markets tends to be bimodal. Before a scheduled announcement date, prices sit in a narrow range. On the day of announcement or shortly before, they snap to near certainty or near zero, with very little time in between. This creates specific entry and exit dynamics that differ from both sports and political markets.
Lead Change Distribution
How many times did the market leader flip during the market's lifetime? Zero means one side dominated from open to close. Higher numbers mean contested, back-and-forth outcomes: the kind that create the most trading opportunity.
Number of lead changes per market
Probability Range by Market
Each bar is one resolved market. The coloured zone spans from the winner's lowest point (left edge) to the loser's peak (white marker) — this is where a reversal was possible. The dim green tail extends from the loser's peak to 100%, where the winner eventually resolved. A wide red zone means the market was nearly overturned.
When Did Reversals Happen?
Each dot is a market that had at least one lead change. The x-axis shows when the last reversal happened as a percentage of the market's total lifetime. Points in the shaded red zone (75-100%) reversed in the final quarter, the highest-risk window for certainty sellers.
AI markets are most exploitable in the window immediately after a product announcement or benchmark result, before the market fully prices new information. Resolution criteria are often ambiguous (what counts as a "release"?), which creates systematic mispricing in markets where one interpretation is much more likely than the price implies. Reading the resolution rules carefully is a structural edge in this category.
Calibration Curve
When a AI market prices the favourite at 80%, does it actually win 80% of the time? Points below the dashed diagonal mean the market is overconfident. Each coloured line shows calibration at a different stage of the market's lifetime; systematic deviation is where the edge lives.
Upset Probability Matrix
If the favourite is at X% at this stage of the market, how often does the underdog still win? Red cells are where the market is systematically overconfident. The Late (80%) row is the most actionable: this is where traders decide whether to fade certainty or follow momentum.
| When evaluated | 50–60% | 60–70% | 70–80% | 80–90% | 90–100% |
|---|---|---|---|---|---|
| Early (10%) | 0% upset 1 markets | — | 0% upset 1 markets | 0% upset 2 markets | 0% upset 3 markets |
| Midpoint (50%) | — | — | 0% upset 3 markets | 0% upset 1 markets | 0% upset 3 markets |
| Late (80%) | — | — | 0% upset 2 markets | — | 0% upset 5 markets |
Where Smart Money Enters
Every $10,000+ trade on a AI market plotted by two dimensions: what probability was the market at when the trade happened (x-axis), and how far through the market's lifetime it was placed (y-axis). Brighter cells mean more large-capital entries at that combination. A cluster at low probability early suggests informed contrarian positioning. A cluster at high probability late suggests momentum-following by large accounts.
Most Dramatic Resolved Markets
Ranked by probability swing (the gap between the winner's lowest point and the loser's highest point). These are the markets where the eventual winner was most seriously challenged.
| Market | Lead changes | Winner low | Loser peak | Swing |
|---|---|---|---|---|
| LoL: Ronaldo Team vs ZeroZone Gaming (BO1) - LPLOL Regular Season | 2 | 45% | 56% | 11pp |
| LoL: BNK FearX Youth vs T1 Academy (BO3) - LCK Challengers League Rounds 1-2 | 2 | 47% | 54% | 7pp |
| LoL: Dplus KIA vs BNK FEARX (BO3) - LCK Rounds 1-2 | 0 | 50% | 50% | 0pp |
| Will gemini-3.1-pro-preview have the best AI model on May 30, 2026? | 0 | 67% | 33% | -34pp |
| LoL: KT Rolster vs Gen.G (BO3) - LCK Rounds 1-2 | 0 | 79% | 22% | -57pp |
| Will Claude by Anthropic be #1 Free App in the US Apple App Store on June 5? | 0 | 83% | 17% | -66pp |
| LoL: DN SOOPers vs Kiwoom DRX (BO3) - LCK Rounds 1-2 | 0 | 100% | 0% | -100pp |
Act on these patterns in real time
Polyshadow signals fire when smart money bets match the patterns described above: late-money whale positions, new-account bets, and convergence across unconnected wallets.
View plans →