Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| São Paulo FC | 0% YES | 100% NO |
| Draw (São Paulo FC vs. Botafogo FR) | 100% YES | 0% NO |
| Botafogo FR | 0% YES | 100% NO |
Market context
São Paulo FC will face Botafogo FR in a Série A fixture on 23 May 2026. The match represents a routine domestic league encounter in Brazil's top division, with settlement contingent on the final result at the scheduled kick-off time. The 0% implied probability suggests either technical market conditions or genuine uncertainty about whether the event will resolve as stated.
Historical precedent for Série A matches shows volatility in prediction markets driven by squad availability, managerial changes, and late fixture postponements. Botafogo's recent investment cycles and São Paulo's institutional stability have created differing risk profiles in comparable matchups. Markets pricing identical fixtures at vastly different probabilities across platforms often reflect regulatory arbitrage rather than fundamental disagreement about outcomes. The settlement window closure at 20:00 UTC on match day leaves minimal buffer for administrative delays common in Brazilian football.
Traders should monitor official CBF (Confederação Brasileira de Futebol) fixture confirmations and any squad announcements in the weeks preceding the match. Injury reports and managerial stability at both clubs typically emerge through local media channels. Under German GlüStV regulations, this market may face restrictions if offered to German residents without appropriate licensing. US CFTC reach extends to US persons trading binary sports outcomes, though enforcement remains selective. The no-KYC threshold of $1,500 USD applies to aggregate position limits; traders exceeding this across multiple accounts face identification requirements regardless of jurisdiction, affecting accessibility for those seeking anonymity on this specific fixture.
Methodology
We track São Paulo FC vs. Botafogo FR on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in 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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