Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 8 | 100% |
| ≤5 | 0% |
| 6 | 0% |
| 7 | 0% |
| 9 | 0% |
| 10 | 0% |
| 11 | 0% |
| 12+ | 0% |
Market context
Waymo is actively rolling out its fully autonomous ride-hailing service across the United States, having already launched in ten commercial metro areas by early 2026, with public access now confirmed in Dallas, Houston, San Antonio, Orlando, Miami, Austin, Atlanta, Nashville, Los Angeles, Phoenix, and San Francisco[2][3][7]. The company plans to expand to Vegas in summer 2026 and has announced future launches in Baltimore, Philadelphia, St. Louis, and Pittsburgh, while also testing in London with a commercial launch targeted for Q4 2026[1][4].
Historically, similar rapid expansions by tech firms in regulated transport sectors have seen initial pilot cities quickly scale to national availability once safety validation is complete; Waymo’s own trajectory from five cities in 2024 to eleven by spring 2026 mirrors this pattern, suggesting the current 0% crowd-implied probability for zero cities is a misreading of the company’s aggressive growth roadmap[3][7]. Comparable cases include Uber’s autonomous taxi pilots, which expanded from single-city tests to multi-state operations within two years after regulatory hurdles were cleared.
Traders should monitor Waymo’s official announcements for Vegas, London, and the four targeted 2026 US cities (Baltimore, Philadelphia, St. Louis, Pittsburgh), as well as progress on Nashville’s public launch expected later this year[1][4]. Key dependencies include UK Transport regulations for London and US state-level approvals for the new cities, with TechCrunch noting a tenfold ridership increase that underscores operational momentum[7]. Any delay in these validations could alter the June 2026 settlement, but the current expansion pace strongly indicates multiple cities will be operational.
Methodology
Sports-specific comparison page for How many cities will Waymo operate in by June 30?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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