Best AI on Dec 31, 2026 — Grok priced at 3.2% on Kalshi, up 1.0 points, on $2.1M traded
No significant new platform headline in the last 30 minutes; news search recirculated only items already used today, taken by website-only batches, or on the banned list…
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Grok was priced at 3.2% on Kalshi in the market asking which AI will be best on Dec 31, 2026, according to the supplied market snapshot published Oct 26, 2026, at 8:39 AM ET. Its probability rose 1.0 percentage points, with $2.1M traded.
A price move without a fresh catalyst
The accompanying news check identified no significant new platform headline in the preceding 30 minutes. Search results instead resurfaced material already used that day, assigned to website-only batches or excluded by a banned list. The supplied material therefore does not establish a fresh news catalyst for Grok’s move.
According to PredictionBubbles, its technology dashboard reports probability changes over the previous 24 hours and refreshes its data every 15 minutes. That distinction matters: the reported move covers a much longer period than the latest news check.
Reading the snapshot
PredictionBubbles aggregates prices from Kalshi and Polymarket, rather than operating a trading venue itself. Its technology page lists 59 markets, comprising 13 from Kalshi and 46 from Polymarket, and ranks them by total traded volume.
The supplied page explains the dashboard’s methodology but does not include the specific Grok listing or the contract’s resolution criteria. The 3.2% price, 1.0-point increase and $2.1M volume are provided in the headline snapshot; the material does not define how “best AI” will be determined.
What it means for prediction markets
Grok remains a low-probability outcome: the rise leaves its quoted market-implied chance at 3.2%, not evidence that it leads the field.
The catalyst is unconfirmed: a 24-hour price change cannot be attributed to the absence or presence of news in a 30-minute search window.
Volume is not directional evidence:$2.1M traded describes total activity, not money newly backing Grok.
Resolution language matters: PredictionBubbles notes that related contracts can differ in wording and settlement rules. The supplied material is insufficient to assess the precise test this contract will use.