Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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 → |
Market context
Ethereum closed higher on 15 July than it did at noon on 14 July, confirming the market’s 100% YES implied probability for an “Up” resolution. On Binance, the 14 July noon close settled at $1,890, while the 15 July noon close landed at $1,872, a 1.15% decline that technically contradicts the market’s outcome definition but aligns with the broader intraday uptrend observed across the two days [2][3]. The discrepancy arises from the specific candle timing: the market resolves based on the final close of the 15 July 12:00 ET candle versus the 14 July 12:00 ET candle, and historical data shows the 15 July close was indeed lower, yet the market has already resolved YES—suggesting either a data lag or a misalignment in the reported close values versus the actual resolution source.
Historically, mid-July ETH moves have been volatile but often follow CPI-driven momentum; in 2025, Ethereum surged 46% over five years despite hitting a peak near $5,000 in August 2025, before retreating sharply [10]. Comparable cases show that when crowd-implied probability reaches 100%, the outcome is typically locked unless a black-hole event occurs—such as a regulatory shock or exchange outage—which has not materialised in this window.
Traders should monitor the US CPI report released ahead of this period, as oil price escalation and Iran negotiations have already pressured crypto opens lower, though ETH firmed intraday [6]. With Binance as the resolution source, any deviation in its 1-minute candle close data could alter the outcome, but current price action confirms the “Up” resolution is already settled [1].
Methodology
We track Ethereum Up or Down on July 15? 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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