Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) 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 |
|---|---|
| Completed Match | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Total Sets: O/U 2.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 1 Winner | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 1 O/U 8.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Match O/U 21.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 2 O/U 8.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 1 O/U 9.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Match O/U 22.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 2 O/U 9.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 2 O/U 10.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 1 O/U 10.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Match O/U 23.5 | 100% |
| National Bank Open: Taylor Townsend vs Belinda Bencic | 0% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set 2 Winner | 0% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set Handicap +/-1.5 | 0% |
| National Bank Open: Taylor Townsend vs Belinda Bencic Set Handicap +/-1.5 | 0% |
Market context
Taylor Townsend’s match with Belinda Bencic at the National Bank Open is being priced as a clear underdog spot, with the crowd-implied **12%** chance on Townsend sitting well below most external tennis views. Bookmaker-style previews and odds screens lean the other way: Tennis Tonic’s pre-match note called Bencic the pick, SmashRS listed Bencic around **1.34** to **1.39** and Townsend around **3.02** to **3.35**, while one model input cited by Umpiry gave Bencic roughly a **160-point hard-court Elo edge**. That implies a market range closer to a one-in-three or one-in-four chance for Townsend than the contract’s current 12%, so the prediction market is discounting her chances more aggressively than the wider betting picture.[7][10][12]
The historical frame also points towards Bencic, though not overwhelmingly. Their head-to-head is only **1-0** to Bencic, from a clay meeting in Charleston in 2019, so there is little direct evidence on this surface, but the same matchup data shows Bencic’s stronger recent win rate and better hard-court profile overall.[1][2][4] Comparable situations for these players have usually favoured the higher-ranked, more established baseline player, yet Townsend’s recent form and serve-return variance mean the upset case is not negligible if Bencic is below full fitness or the match becomes serve-dominated.[4][10]
The key catalysts are simple: whether the scheduled Toronto match is actually played, whether either player withdraws, and whether any weather or scheduling knock-on pushes the contest beyond the seven-day settlement rule. Live scores pages show the fixture was on the Toronto programme on 7 August, but one results feed already displayed a dead 0-0 entry, which underlines the need to watch official tournament order-of-play and completion status rather than rely on pre-match listings alone.[5][6] If the match starts but does not finish, the contract wording becomes decisive, because the payout depends on whether a winner is ultimately recorded before the settlement window closes on 14 August.[5]
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 Best Prediction Markets, which mirrors the Polymarket order book directly.
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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade National Bank Open: Taylor Townsend vs Belinda Bencic on Best Prediction Markets
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