Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 20-23m | 100% |
| <14m | 0% |
| 14-17m | 0% |
| 17-20m | 0% |
| 23-26m | 0% |
| 26m+ | 0% |
Market context
"The End of Oak Street" will open theatrically across the United States on 14–16 August 2026, with its opening weekend domestic box office gross determining the settlement bracket. The Numbers will provide final figures once studio estimates are replaced by actual reported revenue, with ties resolving to the higher bracket. Settlement occurs on 16 August at 23:59 UTC, allowing traders to position before the weekend closes and final data crystallises on-chain via USDC settlement.
The 0% crowd probability reflects genuine uncertainty about the film's commercial viability rather than certainty of failure. Independent and mid-budget releases frequently underperform pre-release expectations, yet comparable titles—particularly character-driven dramas with limited marketing footprints—have occasionally captured niche audiences worth $5–15 million domestically. Box office outcomes depend heavily on critical reception, which typically emerges Thursday evening, and on whether the film's distributor secured meaningful theatre counts. August remains a soft month for theatrical releases, with fewer tentpole competitors than summer peaks, though this also signals lower audience turnout overall.
Traders should monitor trade publication coverage from Deadline and Variety for theatre allocation announcements, typically released one to two weeks before opening. Early screening reactions and social media sentiment in late July will signal whether word-of-mouth builds momentum. Crypto markets' broader risk appetite—reflected in BTC and ETH spot prices and funding rates on major exchanges—may influence retail participation in lower-conviction entertainment markets, though this particular contract's outcome remains fundamentally tied to actual cinema attendance data.
Methodology
This page reads “The End of Oak Street” Opening Weekend Box Office on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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