Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
71% | 29% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
71% | 29% | 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 |
|---|---|
| 350-360m | 71% |
| 360-370m | 27% |
| <350m | 3% |
| 370-380m | 1% |
| 380-390m | 0% |
| 390-400m | 0% |
| 400-410m | 0% |
| 410-420m | 0% |
| 420m+ | 0% |
Market context
Spider-Man’s opening weekend is tracking at blockbuster scale, but the market’s **3% YES** implies an outcome well above the consensus view for the named bracket. Recent trade coverage has clustered around roughly **$230 million to $280 million** domestically, with Box Office Pro at **$230 million–$250 million**, Box Office Theory around **$249 million** to **$255 million**, and some estimates stretching to **$300 million-plus**; Sony’s own outlook has been more conservative at about **$190 million–$195 million**.[3][8][12][14] For a programmatic trader, that means the relevant signal is not whether the film opens “big”, but whether the final verified three-day domestic figure lands in the market’s specific even-higher range rather than the more widely discussed lower bands.[3][14]
Comparable Spider-Man launches show why the tail risk matters. *Spider-Man: No Way Home* remains the franchise benchmark with a **$260.1 million** domestic opening, so any bracket materially above that needs exceptional walk-up demand, strong preview conversion, and minimal Friday-to-Sunday erosion.[8][12] The current price can be read as the market assigning only a small chance that the final The Numbers weekend figure clears that upper tier once studio estimates are replaced by final daily values. In tooling terms, a bot would watch the live Box Office tab, compare the cumulative Friday-to-Sunday total against the bracket boundaries, and only trigger execution once the final 3-day figure is locked rather than headline estimates.[1][3]
The main catalysts are final preview accounting, weekday trend revisions, and any late confirmation from studio or trade updates that shift the opening range before The Numbers finalises the weekend. Coverage from 31 July pointed to unusually strong preview sales, including CNBC’s report of **$72 million** in previews and a weekend expectation around **$270 million**, while Variety cited a **$260 million–$280 million** framing with some outlier calls above **$300 million**.[2][3] For a conditional-order workflow, those data points matter because they move the probability distribution, but settlement depends on the final domestic 3-day number, so the key check is whether post-weekend reconciliation leaves the result in the higher strike band once studio estimates have been removed.[1][3]
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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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 Polymarket Bot UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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