Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Market context
Ethereum is the asset that will decide whether this contract settles **Up** or **Down** on the difference between Binance’s noon ET close on 6 August 2026 and the noon ET close on 7 August 2026. The crowd-implied probability sitting at **100% YES** is far more extreme than the cross-market backdrop, where published ETH outlooks are split between cautious near-term ranges around $1,750 to $1,825 and much higher medium-term targets. CoinMarketCap’s recent analysis says ETH has traded around $1,773 to $1,786 and has been driven by renewed institutional demand and a derivatives short squeeze, while CoinStats describes price action near $1,799 and just below overhead resistance. [3][4]
For historical framing, short-dated ETH calls like this are usually better read through intraday momentum than through long-range forecasts. Some 2026 prediction models still point to a broadly constructive August, with Binance’s own forecast page citing an August range from about $1,777 to $3,399, while other models are more restrained, including a 7 August estimate centred near $1,755 to $1,825. [15][10] That leaves a notable gap between the market’s certainty and the wider analyst spread: the contract’s current 100% YES pricing implies almost no allowance for a flat or slightly lower close, whereas the published forecasts still describe a normal two-sided trading band rather than a one-way move. [15][10][2]
The main catalysts are the usual ETH drivers: broader crypto risk appetite, Bitcoin’s direction, and whether ETH can hold or lose nearby resistance and support levels around the high-$1,700s to low-$1,800s. Finance Magnates notes that ETH has recently broken a longer-term downtrend line and that Standard Chartered and Citi remain sharply divided on 2026 targets, highlighting how fragmented the wider consensus still is. [14] In practice, a trader watching this contract should focus on whether spot ETH can sustain gains above the immediate resistance zone cited by CoinStats, because a failed push there would make a same-day lower close materially more plausible. [4]
Methodology
We track Ethereum Up or Down on August 7? 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.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
Trade Ethereum Up or Down on August 7? on Best Prediction Markets UK
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