Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
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 | 83% |
| 2,000 | 1% |
| 2,100 | 0% |
| 2,200 | 0% |
| 2,300 | 0% |
| 2,400 | 0% |
Market context
Polymarket is pricing this contract at **100% YES**, which means USDC on Polygon is already valuing a Binance ETH/USDT 1-minute close above the strike at noon ET as effectively certain. In practice, the market is being settled against a single Binance candle, so the relevant question is not Ethereum’s broad spot performance but whether that exact 12:00 ET minute prints above the listed threshold on Binance’s ETH/USDT chart.
That near-unanimous pricing sits against a fairly stable ETH backdrop rather than a dramatic breakout. Recent spot references cluster around the high-\$1,900s, with Yahoo Finance showing ETH-USD at \$1,919.06 on 8 August, Investing.com at \$1,917.55, MetaMask at \$1,919.90, and Kraken at \$1,921.14. Comparable cases with ETH trading in a narrow band show that a 1-minute Binance candle can diverge from broader “headline” prices, so on-chain traders usually focus on the exact exchange, pair and timestamp rather than daily moves elsewhere.
The main catalysts to watch are any sharp macro headlines, ETH-specific protocol news, or exchange-driven volatility in the hours before the noon ET print, because those can move Binance’s spot book even if the wider market looks calm. The market description makes clear that settlement depends only on Binance ETH/USDT “Close” for that minute, so the practical dependencies are Binance uptime, liquidity at the midday handoff, and whether any sudden order-flow imbalance pushes the candle over or under the strike.
Methodology
We track Ethereum above … on August 9? 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
- 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.
- 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.
- 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%.
Trade Ethereum above … on August 9? on Polymarket Scam?
Live order book, 0% fees, USDC settlement in seconds.
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