Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 2nd Half O/U 0.5 | 1% |
| Ceará SC (-1.5) | 0% |
| Athletic Club (-1.5) | 0% |
| Ceará SC (-2.5) | 0% |
| Athletic Club (-2.5) | 0% |
| O/U 0.5 | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Ceará SC O/U 0.5 | 0% |
| Ceará SC O/U 1.5 | 0% |
| Ceará SC O/U 2.5 | 0% |
| Athletic Club O/U 0.5 | 0% |
| Athletic Club O/U 1.5 | 0% |
| Athletic Club O/U 2.5 | 0% |
| Ceará SC 1st Half O/U 0.5 | 0% |
| Ceará SC 1st Half O/U 1.5 | 0% |
| Athletic Club 1st Half O/U 0.5 | 0% |
| Athletic Club 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Ceará SC 2nd Half O/U 0.5 | 0% |
| Ceará SC 2nd Half O/U 1.5 | 0% |
| Athletic Club 2nd Half O/U 0.5 | 0% |
| Athletic Club 2nd Half O/U 1.5 | 0% |
Market context
Ceará SC will face Athletic Club in a Brazil Serie B fixture on 13 July at 7:30 PM ET. The match forms part of the 2026 Serie B season, where promotion and relegation stakes remain high. Settlement occurs in USDC at 23:30 UTC on the scheduled date, contingent on official match confirmation and final scoreline data from CBF (Confederação Brasileira de Futebol) feeds.
The 0% implied probability reflects minimal liquidity or early-stage market formation rather than certainty of non-occurrence. Historical Serie B fixtures on btc-prediction.bet have shown that secondary markets—those covering goal totals, corner counts, or card outcomes rather than outright winners—typically attract deeper participation once teams confirm lineups and injury reports surface. Comparable Brazilian league markets have seen probability shifts of 15–25 percentage points within 48 hours of team news, particularly when key defenders or strikers become unavailable.
Traders should monitor CBF fixture confirmations and any postponement announcements, which occasionally occur due to weather or administrative scheduling conflicts in the Brazilian calendar. Ceará and Athletic Club squad updates, typically released 72 hours pre-match, will inform model recalibration. Funding rates on major crypto pairs (BTC/USDC, ETH/USDC) may influence retail participation appetite; elevated rates sometimes correlate with reduced activity in secondary sports markets as capital rotates toward perpetual positions. Confirmation of the venue and final team rosters by 11 July will be the primary catalyst for meaningful probability movement.
Methodology
This page reads Ceará SC vs. Athletic Club - More Markets on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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