Ethereum above … on August 22?

Platform comparison

Market context

Ethereum has just rebounded sharply over the past two sessions, with ETH moving from roughly $1,917 on 19 August to about $2,398 by 21 August, after a broad crypto rally and a reported short squeeze. That leaves the market looking at a higher spot price than it had earlier in the week, but also well below the more euphoric levels seen in some recent bursts of momentum.

For comparables, the last week shows how quickly ETH can move around a single session’s midday print: daily closes swung from the high-$1,800s to the mid-$2,300s within days, so a noon ET candle can easily land above or below a strike even when the broader trend looks one-way. The current 100% yes probability suggests the line is far below the market’s prevailing range, which usually matters more than the headline percentage when the underlying asset has already re-priced hard in 24-48 hours.

Traders should watch whether the post-squeeze follow-through holds into the US session, because that is where the most relevant liquidity for a noon ET Binance candle tends to build. The main catalysts are simple: continuation or fade of the latest risk-on move, any fresh Ethereum-specific headlines, and the wider crypto tape, particularly if Bitcoin loses momentum or if leveraged longs are forced out again.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Ethereum above … on August 22? 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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 Prediction Today. 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.

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%.