San Francisco win the 2027 Pro Football Championship priced at 15.0% on Kalshi, on $12.3M traded
PredictionBubbles' sports board, on its Oct. 29, 16:26 UTC crawl at 503 open markets with $751.3M traded, lists the San Francisco contract among its most traded sports…
San Francisco’s contract to win the 2027 Pro Football Championship was priced at a 15.0% market-implied probability on Kalshi, with $12.3M traded, according to PredictionBubbles. The contract ranked among the aggregator’s most-traded sports markets.
The snapshot cited in the summary came from an Oct. 29, 16:26 UTC crawl covering 503 open markets and $751.3M in traded volume. The story was published on Oct 29, 2026 at 12:54 PM ET.
Reading the board
PredictionBubbles aggregates sports contracts from Kalshi and Polymarket, including game winners, series outcomes, championships and season totals. Its prices reflect exchange trading rather than bookmaker-set lines, and the site refreshes its data every 15 minutes.
The supplied page also displays a different coverage count: 509 open sports markets, comprising 190 from Kalshi and 319 from Polymarket. That differs from the 503-market crawl cited in the summary; the supplied material does not explain the discrepancy.
Volume is not momentum
PredictionBubbles separates rankings based on cumulative trading volume from rankings based on absolute probability changes over the previous 24 hours. San Francisco’s $12.3M turnover therefore establishes substantial trading activity, but the supplied material gives no 24-hour probability change for the contract.
The page identifies Polymarket’s contract on Shakhtar Donetsk winning the 2026-27 UEFA Champions League Championship as its most-traded sports market at the last refresh, with $37.1M traded. That comparison places San Francisco among active contracts without establishing its exact position on the board.
What it means for prediction markets
- Price and activity measure different things: The 15.0% figure expresses San Francisco’s market-implied championship probability; $12.3M measures cumulative traded volume, not a change in sentiment.
- The snapshot has limits: No price history or 24-hour move is supplied for San Francisco, so the figures do not establish whether its perceived chances were rising or falling.
- Cross-venue comparisons require care: PredictionBubbles notes that related Kalshi and Polymarket contracts can differ in wording and resolution rules.
- Refresh timing matters: The aggregator updates every 15 minutes, while exchange prices can change whenever trades occur.
Sources & attribution
- [1]Predictionbubbles (predictionbubbles.net)https://predictionbubbles.net/markets/sports/
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