Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
38% | 62% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
38% | 62% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 350m+ | 38% |
| 340-350m | 34% |
| 330-340m | 13% |
| 300-310m | 8% |
| 290-300m | 6% |
| 320-330m | 6% |
| 310-320m | 4% |
| 280-290m | 3% |
| <280m | 1% |
Market context
The opening weekend gross is priced by the crowd at just 2% for the higher strike, but the underlying box-office tracking has been far firmer than that implies. Deadline’s early range was $180 million to $190 million domestically, while Box Office Pro moved to $230 million to $250 million and Box Office Theory settled around $249 million, with a wider band as high as $255 million.[10][5][7][8] For a programmatic trader, that matters because the market is effectively about whether final reported domestic opening takes out a series of fixed brackets, not whether the film merely lands in a “good” range; when a market is this one-sided, copy-trading or bot logic will usually key off the delta between consensus tracking and the next strike boundary rather than the headline forecast itself.[10][7]
Comparable Marvel openings show why the upper brackets are plausible but still not automatic. *Spider-Man: No Way Home* remains the franchise benchmark at $260.1 million domestic in its opening frame, so any final number above that would require a material over-performance versus the current studio-style estimate of roughly $190 million to $195 million.[5][18] Reported tracking is unusually split: Sony’s public stance is more cautious, while several independent forecasters are closer to the mid-$200 millions, and one report even cited some analysts not expecting the film to fall below $250 million.[2][4][17] For a trader automating orders, the practical approach is to monitor where the consensus sits relative to the next bracket, then adjust exposure only when new tracking shifts by enough to change the implied distribution.
The catalysts to watch are late-breaking presales, any revised studio guidance, and the first reported Friday number, since the market resolves on final domestic opening weekend figures from The Numbers rather than studio estimates.[10] Because the window runs through 2 August, a weekend that starts with strong previews but soft Friday-to-Sunday holds can still matter if it pulls the three-day total back across a strike line, so bots should track the live daily box-office feed and only fire conditional orders once the reported 3-day total becomes final.[10]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Bot UK, which mirrors the Polymarket order book directly.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- 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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