Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax 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 |
|---|---|
| 1,400 | 100% |
| 1,500 | 100% |
| 1,600 | 100% |
| 1,700 | 100% |
| 1,800 | 100% |
| 1,900 | 97% |
| 2,000 | 0% |
| 2,100 | 0% |
| 2,200 | 0% |
| 2,300 | 0% |
| 2,400 | 0% |
Market context
Ethereum’s noon Binance ETH/USDT 1-minute close needs to finish above the stated strike for a **Yes** settlement, so the live level around the low-$1,900s matters more than broader exchange averages. Recent spot reads put ETH near $1,913–$1,917, with Investing.com showing $1,913.77 and CoinMarketCap $1,917.17, while one forecast-style market snapshot on Robinhood had nearby August contracts pricing ETH above $1,900 at 87–98¢, which is consistent with the crowd-implied 100% Yes here[1][6][4].
For context, this looks like a high-conviction, near-the-money expiry rather than a wide-open directional bet: ETH has been trading roughly flat-to-firmer over the past day, and short-term price notes from late week showed price clustering around the $1,900 area with intraday highs above $1,930[3][10]. Comparable prediction-market pricing tends to compress hard when the underlying sits clearly on one side of the strike, so a 100% Yes reading usually signals that traders see the threshold as comfortably below prevailing Binance pricing, though the final outcome still depends on the exact 12:00 ET minute candle close on Binance rather than any other venue[16].
Regulatory and access frictions are mostly about where the trade is placed, not the ETH price itself. In Germany, the GlüStV framework can treat certain public online betting-style products as gambling-like offerings, so market access and tax treatment can differ sharply from ordinary spot crypto trading; in the US, CFTC jurisdiction can reach event contracts and derivatives-style prediction markets even when the underlying asset is crypto. Where a venue advertises *no-KYC up to $1,500*, that generally means smaller balances may be accessible with reduced identity checks, but it does not change the Binance settlement source or remove withdrawal, sanctions-screening, or local-law constraints on participation.
Methodology
This overview of Ethereum above … on August 8? 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 Tax 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.
Trade Ethereum above … on August 8? on Polymarket Tax UK
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