Hourly Briefing ·
2 stories in this edition: Tie is the result priced at 60.0% on Kalshi, up 44.0 points, on $4.8M traded · Kimi Antonelli win the 2026 F1 United States Grand Prix priced at 99.8% on Polymarket, up 55.8 points, on $146K traded
PredictionBubbles' movers board lists the tie-result contract among its largest upward sports moves, in a sports markets category alongside the lead. It has zero hits in…
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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A Kalshi contract on a tie result was priced at 60.0%, up 44.0 probability points, with $4.8M traded, according to PredictionBubbles’ movers listing. The contract appeared among the board’s largest upward sports moves.
The supplied material does not identify the underlying sporting event or explain what prompted the price change. It also does not provide the contract’s settlement terms, limiting how precisely the move can be assessed beyond the reported price and trading figures.
According to PredictionBubbles, its movers board compares prices over 24 hours and updates every 15 minutes, using data from Polymarket and Kalshi. The supplied snapshot records venue data read on 25 Oct 2026, 22:17 UTC.
The board covers 1,978 markets with lifetimes longer than 14 days. It excludes same-week fixtures to prevent rapid price changes around settlement from dominating the rankings. Only open contracts with a valid day-earlier price comparison qualify.
Rankings reflect probability-point changes, rather than relative percentage changes; volume and liquidity do not affect placement. The board’s broader table displays the top 150 of 520 markets moving at least one probability point over the preceding 24 hours, according to PredictionBubbles.
Kimi Antonelli’s contract to win the 2026 F1 United States Grand Prix was priced at 99.8% on Polymarket in the supplied Oct 25, 2026, 6:39 PM ET snapshot. The reported increase was 55.8 percentage points, with $146K traded.
That price reflects traders assigning an overwhelmingly high probability to an Antonelli victory. The supplied material, however, does not establish the race result or confirm that the contract has resolved.
According to predictionbubbles.net, its sports-market tables measure probability changes over the preceding 24 hours and report total traded volume where the exchange provides it. Those are distinct measures: the $146K figure should not be read as money traded solely during the price increase.
The supplied news-search summary identified no significant new platform headline in the last 30 minutes. It described the search results as previously used or otherwise excluded items, leaving no fresh reporting in the material to explain Antonelli’s repricing.
According to predictionbubbles.net, its data combines markets from Polymarket and Kalshi and refreshes every 15 minutes, although trading on the exchanges continues between updates. The supplied source text explains that methodology but does not include an Antonelli-specific listing, so the headline figures cannot be independently checked against that extract.
The distinction matters at a price this close to certainty: a market-implied probability is not an official sporting result. The provided material also contains no contract-specific resolution terms or race-status reporting.