ATP 1000 Montreal: Winner

Platform comparison

Market context

The 2026 National Bank Open in Montreal is the underlying event here: an ATP Masters 1000 hard-court title that will be decided over the August 2–13 window, with the market resolving to *Other* if there is no official winner by the cut-off or if the tournament is delayed beyond late August. Crowd pricing at **0% YES** means the market is currently treating a named champion as effectively impossible, which is far from the broader tennis futures picture, where Alexander Zverev has been the clear front-runner after several elite names withdrew before the event.[1][15]

That gap is best read against how these markets usually reprice when liquidity arrives through funding rather than conviction: a small number of funded accounts can move the book quickly, but depth tends to widen once deposits clear and traders can bridge payment friction through cards, SEPA, Klarna or USDC. In comparable outright tennis markets, the leading names have often sat in the 10–40% range once withdrawals and seeding information are known, so a 0% print is more likely to reflect thin participation than a true zero-probability view.[1][10][12]

The main catalysts are straightforward: the official draw, late withdrawals, injury updates, and any schedule changes that affect who is actually on court in Montreal, because those are the moments when outright books and prediction markets tend to reprice most sharply.[1][15] Recent market notes point to Zverev as the benchmark favourite, with Félix Auger-Aliassime, Ben Shelton and Taylor Fritz among the next tier, so any change to their availability or early-round path could alter both the top of the board and the flow of new deposits into the market.[1][10][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares ATP 1000 Montreal: Winner 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

How does Klarna deposit work on Polymarket Klarna UK?

You enter the deposit amount in EUR/GBP, choose Klarna as the method, run through Klarna's standard authentication (Pay Later or Direct Bank Transfer), and Polymarket Klarna UK converts internally to USDC for the Polymarket order book. Processing: typically under 30 minutes.

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.

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).