Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Market context
Ethereum is trading in a weaker patch, with recent spot data showing ETH around $1,739 on Investing.com, down 2.82% on the day, while other live trackers place it closer to the mid-$1,700s. That leaves the market looking for a clear late-session move rather than assuming a straight-line trend, especially because the settlement compares two specific noon ET Binance closes rather than a broader daily close.[1][3][9][10]
The 100% “YES” crowd read is best viewed against a market that has already been sliding from earlier June and July levels, when ETH printed nearer $1,900 on some trackers and around $1,680 to $1,690 in historical daily data. Robinhood’s August 7 prediction-market board also showed ETH pricing clustered around the $1,895 area, which suggests traders have recently been willing to pay for upside, even though the wider spot tape has been softer.[2][5][11][13][15]
For the final outcome, the main catalysts are the usual drivers that can shift ETH between the two noon prints: exchange-wide risk appetite, ETF or regulatory headlines, and any abrupt change in Bitcoin leadership that drags the majors together. Binance says its ETH price is updated in real time, so the relevant watchpoint is whether the noon ET candle on August 7 can hold above the prior day’s noon reference after any overnight news, macro releases, or large market flows.[10]
Methodology
Sports-specific comparison page for Ethereum Up or Down on August 7?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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