Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
22% | 78% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
22% | 78% | 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 |
|---|---|
| ↑ 2,000 | 22% |
| ↓ 1,800 | 21% |
| ↑ 2,100 | 3% |
| ↑ 2,200 | 2% |
| ↓ 1,700 | 2% |
| ↑ 2,600 | 1% |
| ↑ 2,500 | 1% |
| ↑ 2,300 | 1% |
| ↓ 1,600 | 1% |
| ↓ 1,500 | 1% |
| ↓ 1,300 | 1% |
| ↑ 2,400 | 0% |
| ↓ 1,400 | 0% |
| ↓ 1,200 | 0% |
Market context
Ethereum's price trajectory during the week of 17–23 August 2026 will depend on macroeconomic conditions, regulatory developments, and on-chain activity in the months preceding that window. The 1% implied probability reflects extremely low odds that Ethereum will reach a specific price target during that seven-day period—though the exact threshold is not stated in the market description, suggesting traders are pricing in either a very high target or a very low one relative to prevailing spot rates.
Historical precedent shows that weekly price targets for major cryptocurrencies rarely command more than 2–3% implied probability unless they represent modest moves from current levels. Ethereum's volatility profile—typically 60–90 day realised volatility in the 40–70% annualised range—means that extreme weekly moves do occur, but infrequently enough that tail outcomes remain underpriced relative to their statistical frequency. Comparable markets on other prediction platforms and sportsbooks tracking cryptocurrency price bands for similar timeframes have shown consistent clustering around 1–2% for outlier scenarios, suggesting the crowd estimate here aligns with broader market consensus rather than representing an outlier view.
Traders monitoring this contract should track Ethereum's correlation with Bitcoin, any major Ethereum Foundation announcements regarding protocol upgrades, and broader equity-market sentiment in summer 2026. Regulatory clarity from the US Securities and Exchange Commission or European regulators could shift volatility expectations materially. On-chain metrics including staking participation and transaction throughput will provide secondary signals about network health and investor conviction heading into mid-August.
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 Best Prediction Markets, which mirrors the Polymarket order book directly.
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.
FAQ
- 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 Best Prediction Markets. 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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade What price will Ethereum hit August 17-23? on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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