Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↓ 2,500 | 100% |
| ↓ 2,450 | 100% |
| ↓ 2,400 | 100% |
| ↑ 2,550 | 2% |
| ↓ 2,350 | 2% |
| ↓ 2,300 | 2% |
| ↑ 2,600 | 1% |
| ↑ 2,850 | 0% |
| ↑ 2,800 | 0% |
| ↑ 2,750 | 0% |
| ↑ 2,700 | 0% |
| ↑ 2,650 | 0% |
| ↓ 2,250 | 0% |
| ↓ 2,200 | 0% |
Market context
Ethereum’s August 22 price outcome sits in a market where the main practical issue is access: in Germany, crypto prediction activity can run into GlüStV and broader gambling-style scrutiny, while in the US the CFTC can reach commodity-linked trading activity that falls within its remit. For this market, “no-KYC up to $1,500” means smaller participation is possible without identity checks, but higher-value activity or repeated use can still trigger verification and limits, so the entry point is wider than fully verified venues but not frictionless.
For historical framing, Ethereum price-dated markets tend to move less on the calendar itself than on ETF, staking, and macro headlines. Recent comparable catalysts include SEC filings around Ethereum staking ETFs and trust amendments, plus a scheduled Federal Reserve minutes release on 19 August, which can affect risk appetite across crypto even when there is no Ethereum-specific event. A 0% crowd-implied probability usually signals either that the contract is already effectively out of the money, or that the market expects the target price condition to be unreachable before the settlement window closes.
Traders should watch filing dates, SEC review windows, and any ETF or staking-related announcements from large issuers, because those are the clearest scheduled dependencies that can change ETH volatility quickly. Grayscale disclosed an amendment to its Ethereum Staking ETF trust agreement in early August, and filings around other spot ETH products remain a live catalyst set. For a date market ending at 04:00 UTC on 23 August, late-session US news and overnight Asian trading can still matter, especially if regulatory language shifts or ETF flows change abruptly.
Methodology
This overview of What price will Ethereum hit on August 22? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
UK Frequently Asked Questions
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- Is Polymarket regulated by the UKGC?
- No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
- What are the HMRC tax rules on Polymarket profits for UK traders?
- Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
- Does Polymarket KYC apply to UK users?
- Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
- What is the legal difference between Polymarket and Betfair Exchange for UK traders?
- Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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