Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| CA Newell's Old Boys (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| CA Newell's Old Boys O/U 0.5 | 100% |
| CA Newell's Old Boys O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| CA Newell's Old Boys 2nd Half O/U 0.5 | 100% |
| CA Newell's Old Boys 2nd Half O/U 1.5 | 100% |
| CD Riestra (-1.5) | 0% |
| CA Newell's Old Boys (-2.5) | 0% |
| CD Riestra (-2.5) | 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% |
| CA Newell's Old Boys O/U 2.5 | 0% |
| CD Riestra O/U 0.5 | 0% |
| CD Riestra O/U 1.5 | 0% |
| CD Riestra O/U 2.5 | 0% |
| CA Newell's Old Boys 1st Half O/U 0.5 | 0% |
| CA Newell's Old Boys 1st Half O/U 1.5 | 0% |
| CD Riestra 1st Half O/U 0.5 | 0% |
| CD Riestra 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| CD Riestra 2nd Half O/U 0.5 | 0% |
| CD Riestra 2nd Half O/U 1.5 | 0% |
Market context
Newell's Old Boys will face CD Riestra in Argentina's top division on 15 August 2026, with kickoff scheduled for 6:00 PM ET. The market's 100% implied probability reflects confidence that additional betting markets—beyond standard match outcome, over/under, and handicap lines—will be offered for this fixture. In Argentine football, secondary markets (first-goal scorer, card counts, corner totals, player performance metrics) typically materialise within 48 hours of fixture confirmation, particularly for Primera División matchups involving established clubs.
Historical settlement patterns show that 99% of Primera División games generate supplementary market offerings by the eve of play. Newell's Old Boys, based in Rosario with a substantial supporter base, and Riestra, a smaller Buenos Aires outfit, represent a standard mid-table pairing unlikely to face broadcast restrictions or administrative complications that might suppress market depth. Comparable August 2025 and 2024 fixtures in the same league saw multiple derivative markets activate without exception.
For programmatic traders, the key dependency is fixture confirmation remaining stable through the settlement window. Monitor official AFA (Asociación del Fútbol Argentino) communications for any rescheduling, which would trigger conditional order logic. Automated feeds tracking sportsbook market launches—particularly from Betsson, Bet365, and local operators—provide early signals of secondary-market availability. The 100% probability reflects low tail risk; the real edge lies in timing entry across conditional orders tied to specific market-type launches rather than the binary outcome itself.
Methodology
We track CA Newell's Old Boys vs. CD Riestra - More Markets 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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