Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
91% | 9% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
91% | 9% | 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 |
|---|---|
| ↑ 1,900 | 91% |
| ↓ 1,800 | 79% |
| ↑ 2,000 | 63% |
| ↓ 1,700 | 46% |
| ↑ 2,100 | 41% |
| ↓ 1,600 | 26% |
| ↑ 2,200 | 22% |
| ↓ 1,500 | 14% |
| ↑ 2,300 | 13% |
| ↓ 1,400 | 10% |
| ↑ 2,400 | 7% |
| ↓ 1,300 | 5% |
| ↑ 2,500 | 4% |
| ↑ 2,600 | 2% |
| ↓ 1,200 | 2% |
| ↑ 3,000 | 1% |
| ↑ 2,700 | 1% |
| ↓ 1,100 | 1% |
| ↓ 1,000 | 1% |
| ↓ 900 | 1% |
Market context
Ethereum is trading around the low-$1,800s after repeated failures to hold a recovery trendline, with nearby downside levels commonly cited around $1,807 and $1,717, while a move back above $2,000 is the first cleaner upside test in recent technical write-ups.[1] For a market that settles on whether ETH **hits a price in August**, that setup matters because the contract is path-dependent: a brief wick above the target is enough, so programmatic traders usually frame entries around exchange price feeds, time-stamped alerts, and conditional orders rather than end-of-month closes.
The historical read-through is messy because published August 2026 forecasts are widely dispersed. Some models cluster ETH near $1,750–$2,100 for the month, while others project an August range closer to $2,350–$3,300, which shows how sensitive spot-based outcomes are to regime shifts in momentum and liquidity.[10][17][6][9] That spread is useful for calibration: a crowd-implied 1% YES suggests the market is currently pricing the target as an outlier, so traders building bots or copy-trading rules would usually treat any touch-based threshold as a volatility event rather than a steady trend forecast.
Catalysts to watch are the next few sessions of price acceptance around the $1,800 area, any break above the $2,000 handle, and whether broader crypto sentiment stays balanced rather than risk-off, as recent August forecasts have explicitly tied ETH’s path to those levels.[1][3] The practical dependency list is straightforward for automated strategies: spot and perpetual funding, order-book depth, and intraday spikes around macro headlines or Ethereum ecosystem announcements, because a touch market can resolve on a short-lived burst rather than a sustained breakout.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
FAQ
- 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.
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- 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.
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