Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
9% | 91% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
9% | 91% | 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 |
|---|---|
| ↑ 1,950 | 9% |
| ↓ 1,900 | 4% |
| ↑ 2,050 | 1% |
| ↑ 2,250 | 0% |
| ↑ 2,200 | 0% |
| ↑ 2,150 | 0% |
| ↑ 2,100 | 0% |
| ↑ 2,000 | 0% |
| ↓ 1,850 | 0% |
| ↓ 1,800 | 0% |
| ↓ 1,750 | 0% |
| ↓ 1,700 | 0% |
| ↓ 1,650 | 0% |
| ↓ 1,600 | 0% |
Market context
Ethereum is trading around **$1,915–$1,920** as August 9 unfolds, so the market is effectively asking whether the token can print a higher intraday high before the settlement cut-off rather than whether it can hold a level into the close.[1][2][4] That sits close to the upper end of the day’s observed range and leaves the contract’s **0% YES** crowd-implied probability looking much more pessimistic than live spot pricing suggests.[1][2][8]
On comparable readings, ETH has spent recent sessions in a tight band: Binance historical data shows August 9 closing near **$1.92k** with only a small daily move, while other trackers put the day’s trading range roughly between **$1,903 and $1,929.74**.[2][3][10] Robinhood’s range market, by contrast, priced the **$1,920–$1,924.9999** band at **3¢** and **$1,925–$1,929.99** at **2¢**, which is low but not aligned with a flat zero chance of any upside outcome.[4] That divergence suggests the prediction market is far more sceptical than both spot and sportsbook-style range pricing, while published analyst-style forecasts are clustered much closer to current levels, mostly around **$1,900–$1,926** for the day.[2][13][14][15]
Traders should watch whether spot ETF flows and staking-policy headlines keep supporting ETH, since recent coverage linked the token’s resilience to ETF inflows and institutional yield strategies.[2] The immediate catalyst is not a major protocol deadline but the market’s own liquidity: if ETH holds above **$1,920** into the final hours, the odds of any higher August 9 print rise mechanically, whereas a drift back towards **$1,900** would keep the contract pinned in the lower bands.[2][4][6]
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
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade What price will Ethereum hit on August 9? on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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