Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 1 O/U 8.5 | 100% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Total Sets: O/U 2.5 | 94% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 2 Winner | 93% |
| Completed Match | 50% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 2 O/U 8.5 | 50% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Match O/U 21.5 | 50% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 2 O/U 9.5 | 50% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Match O/U 22.5 | 50% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 2 O/U 10.5 | 50% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Match O/U 23.5 | 50% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz | 42% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set Handicap +/-1.5 | 7% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 1 Winner | 0% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 1 O/U 9.5 | 0% |
| Mubadala Citi DC Open: Brandon Nakashima vs Taylor Fritz Set 1 O/U 10.5 | 0% |
Market context
Brandon Nakashima against Taylor Fritz is trading around a **36%** implied chance for Nakashima, which makes Fritz the clear market favourite. That pricing broadly fits the head-to-head picture: Fritz leads the series in most current databases, including a 2-1 edge in some records and a 4-2 edge in others, reflecting different ways of counting exhibition and tour meetings; either way, the American has usually had the upper hand. [1][2][8]
For a handicapper, the main question is whether the market is giving enough credit to Nakashima’s ability to make this awkward on a hard court. Their recent meetings have not all been one-sided: Nakashima beat Fritz in Cincinnati in 2024, and the pair have already split at least one hard-court result in the last two seasons, which is the sort of evidence that can keep an underdog price from collapsing entirely. [2][11][16] If the crowd is anchored to Fritz’s ranking and broader Tour profile, the contrarian value case sits with Nakashima rather than a blind favourite bet, but only if you expect a closer match than the historical average.
The main catalysts are straightforward: line-up confirmation, whether the match keeps its original slot, and any late physical or scheduling issues at Washington. The market also needs the contest to be completed cleanly before the settlement window closes; if it is not played, ends level, or is delayed beyond seven days without a winner, it resolves 50-50 under the rules. [3][4] Live score pages were already carrying the fixture on 1 August 2026, which suggests it was still in play administratively, but traders will want to watch for any court-order changes or withdrawals right up to first ball. [3][9]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.
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 Who Will Win. 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.
- 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 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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