Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Klarna UK) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
78% | 22% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Casper Ruud vs Joao Fonseca Set 1 O/U 8.5 | 78% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set 2 O/U 9.5 | 76% |
| National Bank Open: Casper Ruud vs Joao Fonseca Match O/U 21.5 | 59% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set 2 O/U 8.5 | 51% |
| National Bank Open: Casper Ruud vs Joao Fonseca Match O/U 22.5 | 51% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set 2 O/U 10.5 | 51% |
| Completed Match | 50% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set 1 O/U 9.5 | 49% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set 1 Winner | 48% |
| National Bank Open: Casper Ruud vs Joao Fonseca | 47% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set 2 Winner | 47% |
| National Bank Open: Casper Ruud vs Joao Fonseca Match O/U 23.5 | 45% |
| National Bank Open: Casper Ruud vs Joao Fonseca Total Sets: O/U 2.5 | 41% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set Handicap +/-1.5 | 33% |
| National Bank Open: Casper Ruud vs Joao Fonseca Set 1 O/U 10.5 | 30% |
Market context
The National Bank Open meeting between Casper Ruud and Joao Fonseca is a live hard-court matchup, and the crowd’s 47% price points to a near coin-flip rather than a clear favourite. That is consistent with the pairing’s profile: Ruud brings the longer ATP résumé and a higher career match volume, while Fonseca has already shown he can beat Ruud head-to-head, taking their only previous meeting on clay at Roland Garros in 2026.[1][6][14]
Recent form data also supports a tight market. Ruud has posted a stronger 52-week win rate overall, but Fonseca’s own 2026 numbers and his previous victory over Ruud reduce the usual seeding-based advantage that would otherwise pull the market towards the Norwegian.[3][10][11] In practical terms, markets like this often trade more on current fitness, surface fit, and whether the draw is on a fast hard court than on reputation alone.[2][6]
For traders, the main catalysts are whether the match actually goes ahead on schedule, whether either player withdraws or is moved in the order of play, and whether official tournament updates alter the start time. The settlement terms make those operational details important: a cancellation, no-result, or delay beyond seven days pushes the market to 50-50, so the live probability can be shaped as much by scheduling risk as by on-court strength. Funding flows matter too, because easier deposits and withdrawals through methods such as Klarna, SEPA, or USDC tend to support faster re-entry after late line moves, which can deepen the book around a volatile ATP event.
Methodology
This page compares National Bank Open: Casper Ruud vs Joao Fonseca with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.
Resolution & payout
Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).
UK Frequently Asked Questions
- Which payment methods are supported?
- Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.
- How fast is SEPA deposit?
- SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.
- Can UK traders use Klarna to deposit on Polymarket?
- Polymarket does not natively accept Klarna. To fund a Polymarket account from the UK, you must first purchase USDC via a crypto exchange (Coinbase UK, Kraken) or Revolut, then transfer to a Polygon-compatible wallet. Some third-party on-ramps (MoonPay, Transak) accept UK debit cards and may support Klarna buy-now-pay-later for crypto purchases.
- What payment methods can UK users use for Polymarket?
- UK traders typically use: (1) Coinbase UK or Kraken — buy USDC with GBP debit card or bank transfer; (2) Revolut — buy crypto and send to wallet; (3) MoonPay or Transak — Visa/Mastercard UK debit card directly to USDC on Polygon. Standard GBP-to-USDC conversion fees range from 0.5–2.5%.
- How long do Polymarket withdrawals take for UK users?
- Polymarket withdrawals to your Polygon wallet are instant (on-chain). Converting USDC back to GBP via Coinbase UK or Kraken typically takes 1–3 business days for bank transfer, or near-instant for Revolut. Polygon gas fees are minimal (<$0.01 per transaction).
Trade National Bank Open: Casper Ruud vs Joao Fonseca on Polymarket Klarna UK
Live order book, 0% fees, USDC settlement in seconds.
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