Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
80% | 20% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
80% | 20% | 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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 1 O/U 8.5 | 80% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Match O/U 21.5 | 62% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli | 61% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 1 O/U 9.5 | 59% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Match O/U 22.5 | 57% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 1 Winner | 56% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 2 Winner | 56% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Match O/U 23.5 | 51% |
| Completed Match | 50% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 2 O/U 10.5 | 50% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Total Sets: O/U 2.5 | 45% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set Handicap +/-1.5 | 33% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set 1 O/U 10.5 | 33% |
| Cincinnati Open: Tommy Paul vs Flavio Cobolli Set Handicap +/-1.5 | 22% |
Market context
Tommy Paul faces Flavio Cobolli in the Cincinnati Open's main draw, scheduled for 21 August 2026. The Polymarket contract currently prices Paul's advancement at 61% (USDC on Polygon), implying roughly even odds favour the American despite his seeding advantage. Settlement hinges on match completion by 28 August; any cancellation, tie, or seven-day delay without resolution triggers a 50-50 split.
Paul's recent record against lower-ranked opponents provides the baseline for interpreting this probability. The American has shown inconsistency in Masters 1000 events, particularly when facing aggressive baseline players—Cobolli's primary strength. Cobolli, ranked outside the top 50 for much of 2025, has demonstrated improvement on hard courts, though his conversion rate in straight-set victories remains below 55% against top-100 opposition. Historical Cincinnati matchups between seeded Americans and rising Italian players have split fairly evenly when the underdog possesses a clear stylistic advantage.
Traders should monitor injury reports through mid-August, as both players typically compete in lead-up events. The ATP's official draw confirmation, typically released two weeks before the tournament, will clarify seeding and court assignments—factors affecting match timing and surface conditions. Weather delays at Cincinnati are uncommon in late August, but the seven-day resolution window creates genuine tail risk if either player withdraws mid-tournament. Recent ATP announcements regarding Cincinnati's 2026 scheduling remain pending, though the tournament's traditional dates suggest minimal disruption likelihood.
Methodology
This page reviews Pronóstico: Cincinnati Open: Tommy Paul vs Flavio Cobolli across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Qué Es, which mirrors the Polymarket order book at 0% fees.
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 Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
Trade Pronóstico: Cincinnati Open: Tommy Paul vs Flavio Co… on Polymarket Qué Es
Live order book, 0% fees, USDC settlement in seconds.
Open live market →