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 |
|---|---|
| 54,000 | 100% |
| 56,000 | 100% |
| 58,000 | 100% |
| 60,000 | 99% |
| 62,000 | 89% |
| 64,000 | 33% |
| 66,000 | 3% |
| 68,000 | 0% |
| 70,000 | 0% |
| 72,000 | 0% |
| 74,000 | 0% |
Market context
This market resolves based on Bitcoin's spot price on Binance's BTC/USDT pair at precisely 12:00 noon ET on 14 August 2026, using the one-minute candle close. The settlement window closes at 16:00 UTC that same day, allowing a four-hour window for price confirmation before final resolution. Binance spot pricing reflects real-time trading activity across its order book and remains the most liquid venue for BTC/USDT spot trades globally, with typical bid-ask spreads under 1 basis point during US trading hours.
A 100% implied probability at this distance from settlement—roughly 20 months forward—reflects the structural difficulty of predicting a specific intraday price level that far ahead. Historical Bitcoin volatility has averaged 60–80% annualised over recent market cycles, meaning even a tight price band at noon on any given day carries material execution risk. Comparable long-dated Bitcoin price markets typically see probabilities cluster toward 50% when the strike sits near the forward curve, with extreme probabilities (above 95%) reserved for strikes far out-of-money or deeply in-the-money relative to expected spot ranges.
Traders should monitor macro catalysts including US monetary policy shifts, spot Bitcoin ETF inflows (which influence Binance spot demand), and any significant on-chain whale movements tracked via Glassnode or similar platforms. Funding rates on perpetual futures exchanges signal leverage positioning; sustained negative funding in summer 2026 would suggest bearish sentiment that could pressure spot prices lower. Regulatory announcements affecting US exchanges or USDT/USDC settlement mechanics could also shift spot-futures basis dynamics and thus Binance's quoted prices during the resolution window.
Methodology
This page reads Bitcoin above … on August 14? 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%.
Trade Bitcoin above … on August 14? on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
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