Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
72% | 28% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
72% | 28% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Avengers: Doomsday | 72% |
| Spider-Man: Brand New Day | 27% |
| Toy Story 5 | 1% |
| Dune: Messiah | 1% |
| Wuthering Heights | 0% |
| Scream 7 | 0% |
| Michael | 0% |
| Star Wars: The Mandalorian and Grogu | 0% |
| The Odyssey | 0% |
| The Hunger Games: Sunrise on the Reaping | 0% |
| Project Hail Mary | 0% |
| The Super Mario Galaxy Movie | 0% |
| Movie B | 0% |
| Movie C | 0% |
| Movie D | 0% |
| Movie E | 0% |
| Movie F | 0% |
| Movie G | 0% |
| Movie H | 0% |
| Movie I | 0% |
| Movie J | 0% |
| Movie K | 0% |
| Movie L | 0% |
| Movie M | 0% |
| Movie N | 0% |
| Movie O | 0% |
| Other | 0% |
Market context
The 2026 domestic box office crown is currently held by *Project Hail Mary*, which shattered records with an $80.6 million opening weekend, yet the prediction market for the year’s biggest opener prices “Yes” at 0%. This stark disconnect reflects the market’s forward-looking mechanics: traders on Polymarket are betting on *Avengers: Doomsday*, scheduled for 18 December, which historically commands holiday slots that dwarf earlier releases. In recent years, December MCU entries like *Avengers: Endgame* and *Spider-Man: No Way Home* have consistently topped annual charts, making early-year leaders like *Hail Mary* or *Toy Story 5* ($160 million) unlikely to retain the title once holiday blockbusters arrive [1][2].
On-chain, this contract trades in USDC on Polygon using conditional tokens, where liquidity flows toward the December release as the primary catalyst. Traders must monitor official release confirmations and studio schedule shifts, as any delay to *Avengers: Doomsday* would instantly reprice the market. Recent industry analysis confirms *Avengers: Doomsday* as the leading candidate, with market data from The Numbers driving the price to 76% “Yes” before the current 0% anomaly, suggesting a potential data lag or temporary liquidity freeze [4]. The settlement relies on final 3-day domestic figures from The Numbers, not studio estimates, ensuring resolution only after the weekend closes [4].
Key dependencies include the film’s confirmed December 18 slot and the absence of competing holiday releases. If *Avengers: Doomsday* faces a schedule change, the market could swing sharply, but current consensus remains firmly on the MCU event. With the settlement window ending 31 December 2026, traders are effectively betting that no film released before December will surpass the holiday blockbuster’s opening. The 0% price today likely reflects a temporary market inefficiency rather than a fundamental shift in the underlying event’s probability [4].
Methodology
We track Which movie has biggest opening weekend in 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram 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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