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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 2,450 | 100% |
| ↓ 2,400 | 100% |
| ↑ 2,500 | 36% |
| ↑ 2,550 | 7% |
| ↑ 2,600 | 2% |
| ↓ 2,350 | 2% |
| ↑ 2,650 | 1% |
| ↓ 2,300 | 1% |
| ↓ 2,250 | 1% |
| ↑ 2,750 | 0% |
| ↑ 2,700 | 0% |
| ↓ 2,200 | 0% |
| ↓ 2,150 | 0% |
| ↓ 2,100 | 0% |
Market context
Ethereum has been trading in a narrow band around the high-$1,800s to low-$2,000s, so the market is really asking whether it can clear the next round-number resistance before the settlement window closes. That is why a 0% YES price on a contract framed around a specific August 23 level looks stark against broader analyst calls that still place end-August ETH well above $2,300, including one model at roughly $2,434 and another at $2,367 for the next day.[5][13]
Comparable August read-throughs have generally shown a market split between modest upside targets and heavier conviction on the downside or on lower strike levels. Recent venue snapshots have priced nearby Ethereum outcomes such as $2,300, $2,400 and $2,600 in the mid-single to low-double digits, while earlier August commentary showed traders heavily favouring lower thresholds such as $1,800 or $2,000 rather than a sustained push to higher bands.[1][4][6] That leaves this contract far more compressed than the wider ETH forecast set.
For the final stretch, traders will watch spot momentum, any change in ETF or institutional flow narratives, and Ethereum-specific network or staking headlines, alongside the broader crypto tape. A recent technical note highlighted repeated rejection near trendline resistance and weak seasonal tendencies in August, while a Binance market note pointed to upcoming network upgrades, Layer-2 growth and staking activity as the main swing factors.[14][15] For a contract expiring at 04:00 UTC on 24 August, late-session liquidity and weekend price gaps matter as much as the headline catalyst itself.
Methodology
This page reviews What price will Ethereum hit on August 23? 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 UK, 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.
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.
- 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.
- 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.
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