Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
72% | 28% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
72% | 28% | 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 |
|---|---|
| 350-360m | 72% |
| 360-370m | 27% |
| <350m | 3% |
| 370-380m | 1% |
| 380-390m | 0% |
| 390-400m | 0% |
| 400-410m | 0% |
| 410-420m | 0% |
| 420m+ | 0% |
Market context
The domestic opening weekend for *Spider-Man: Brand New Day* is tracking as an unusually strong event, but the market’s current **3% YES** price on an even-higher-strikes contract implies traders think the film still lands below the top bracket for this question. That sits well under the broad analyst range, where Deadline has been the most conservative at roughly **$180 million to $195 million** domestically, while Box Office Pro and Box Office Theory have recently moved to around **$230 million to $250 million** and as high as **$250 million to $290 million** respectively; some media round-ups have even cited outside forecasts above **$260 million**.[8][12][13][14] In other words, the crowd price is much lower than mainstream box-office tracking, suggesting the contract is being read as a bet on the very highest threshold rather than on a merely huge debut.[14]
Comparable cases point to why the market is still pricing caution despite record-level hype. Variety reported a **$168 million** opening day from Friday alone, which means the film has already posted the kind of start that can support a top-tier weekend total if Saturday and Sunday hold up.[4] The relevant historical analogue is *Spider-Man: No Way Home*, whose domestic debut set the franchise benchmark at **$260 million**, and several forecasters have explicitly framed *Brand New Day* as a challenger to that figure.[3][12] Cross-platform comparison matters here: prediction-market coverage from Time noted Polymarket assigning an **86%** chance of finishing above **$280 million** domestic, a far more aggressive view than the low single-digit probability implied by this contract, so the market appears to be pricing a narrower and more extreme outcome than the broader consensus.[14]
The key catalysts now are not creative or marketing announcements but final box-office reporting and any revision to the three-day weekend total once Sunday numbers are firm. The market settles on The Numbers’ domestic “Daily Box Office Performance” tab using the final, non-estimate Friday-Sunday figures for **July 31 to August 2**, so late studio revisions, theatre count updates, or holdover strength versus the opening-day surge will matter most.[1] One operational factor already flagged by trackers is format access: reports ahead of release said the film would **skip IMAX opening weekend** because *The Odyssey* held that format exclusively, which could cap upside at the margin if premium screens were more important than expected.[7]
Methodology
This page reviews "Spider-Man: Brand New Day" Opening Weekend Box Office (Even Higher Strikes) 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 Best Prediction Markets, 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
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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