Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | 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’s autonomous ride-hailing service is already publicly available in ten US metro areas, with four new cities—Dallas, Houston, San Antonio, and Orlando—opened to the public in February 2026, marking its first simultaneous multi-city launch [3][4]. This rapid expansion contrasts sharply with the market’s current crowd-implied probability of 0% YES, which suggests the crowd believes Waymo will operate in zero cities by June 2026—a stance that ignores the firm’s operational reality and aggressive 2026 roadmap [1][2]. Historically, robotaxi pilots have scaled slowly, but Waymo has broken that pattern, tripling its service footprint since 2024 and targeting at least 17 cities by end-of-year if plans hold [6].
Traders should monitor official launch announcements for Detroit, Las Vegas, San Diego, Nashville, and Washington, D.C., all slated for 2026, alongside testing progress in Seattle and Denver [2][6]. A recent CNET report confirms San Diego’s 2026 launch is on track, while Detroit and Las Vegas remain in the pipeline with no driverless testing yet begun [4][6]. The consensus sits heavily on the 0% side, likely due to confusion over pilot versus public status, but value lies in contrarian positions betting on 10–17 cities, given Waymo’s stated goal of 20+ cities and its proven ability to scale quickly [3][6]. The underdog here is the 0% crowd; the favourite is Waymo’s actual trajectory.
Methodology
This page reviews How many cities will Waymo operate in by June 30? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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