Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↓ 1,900 | 100% |
| ↑ 2,250 | 0% |
| ↑ 2,200 | 0% |
| ↑ 2,150 | 0% |
| ↑ 2,100 | 0% |
| ↑ 2,050 | 0% |
| ↑ 2,000 | 0% |
| ↑ 1,950 | 0% |
| ↓ 1,850 | 0% |
| ↓ 1,800 | 0% |
| ↓ 1,750 | 0% |
| ↓ 1,700 | 0% |
| ↓ 1,650 | 0% |
| ↓ 1,600 | 0% |
Market context
Ethereum's price action on a single calendar day two years hence depends on macroeconomic conditions, regulatory developments, and sentiment shifts that remain largely unforecastable at this distance. The 0% implied probability reflects the market's assessment that no specific price target has sufficient conviction to attract backing, rather than certainty that movement won't occur.
Historical precedent suggests single-day price targets become meaningful only when pegged to round numbers or technical levels with genuine trading relevance. Bitcoin and Ethereum have both demonstrated capacity for 15–20% daily moves during volatility spikes, though such swings cluster around major announcements or market dislocations rather than arbitrary calendar dates. The absence of a defined price threshold in this market's framing—what level constitutes a "hit"?—compounds the difficulty; traders cannot calibrate probability without knowing whether the question concerns $3,000, $5,000, or $10,000.
Near-term catalysts that could reshape August 2026 positioning include US monetary policy shifts, Ethereum staking yield dynamics, and any material changes to the protocol's roadmap. The Shanghai upgrade cycle and subsequent developments in layer-two scaling have historically driven repricing, though the market has largely priced in anticipated upgrades months in advance. Regulatory clarity from the SEC or CFTC could move spot prices sharply, but such announcements rarely cluster on specific dates. Without a defined strike price or clear triggering event, the market's consensus—reflected in the zero probability—appears rational rather than mispriced.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
- 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%.
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