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 has started the session softer, with live quotes around the mid-$1,700s after a weak 24-hour move and reports of ETH trading below yesterday’s close.[1][2] That leaves the market asking whether the noon ET Binance close on 3 August will finish above or below the noon ET close from 2 August, with the current 83% YES price implying traders expect a modest same-day rise rather than a sharp reversal.
The framing matters because ETH has spent much of the past year in a lower range than its 2025 highs, and recent daily data still show the asset down materially over 12 months.[2][7] In that context, a bullish leaning on a single-day comparison usually reflects short-horizon momentum rather than a call on the broader trend; comparable forecasts from exchange and market data pages also centre ETH in the high-$1,700s to low-$2,000s, which is consistent with a market that can drift either way around a narrow base.[11][19]
For today’s catalysts, traders will be watching whether ETH can hold recent support around the mid-$1,700s and whether any broader crypto move spills into Binance’s afternoon trading hours.[2][8] The main dependency is simply the path of spot ETH into the 12:00 ET candle, but sentiment can still shift on headline flow around Ethereum’s upgrade road map, staking activity, or ETF-related commentary, all of which continue to feature in market discussion of ETH’s 2026 outlook.[13]
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
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
- 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.
- 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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