Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 1 O/U 8.5 | 100% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 1 O/U 9.5 | 100% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set Handicap +/-1.5 | 73% |
| Completed Match | 50% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 2 O/U 8.5 | 50% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 2 O/U 9.5 | 50% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 2 O/U 10.5 | 50% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Match O/U 23.5 | 43% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Match O/U 21.5 | 40% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Match O/U 22.5 | 38% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 2 Winner | 28% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Total Sets: O/U 2.5 | 26% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva | 16% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set Handicap +/-1.5 | 4% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 1 Winner | 0% |
| Canadian Open: Alexis Galarneau vs Vit Kopriva Set 1 O/U 10.5 | 0% |
Market context
Alexis Galarneau’s meeting with Vit Kopriva is priced as a clear underdog shot on the prediction market, with crowd-implied probability at 16%, while comparable event pricing elsewhere points to Kopriva as the firmer favourite. Robinhood’s related exact-score market shows Galarneau’s straight-set and three-set win paths offered at low-cent prices, which is consistent with the broader view that his upset route is possible but not the base case.[17] Public player pages also lean Kopriva: he is listed around ATP No. 70 versus Galarneau near No. 167, and the pair have no prior head-to-head record, so the market is being set more by ranking and tour-level results than by any direct matchup history.[4][5][15]
Comparable form data makes the 16% line look plausible rather than extreme. Tennisstats and other preview pages show Galarneau with a better recent win rate in the last 12 months, but Kopriva’s overall tour record and ranking profile remain stronger, which explains why analysts and sportsbook-style screens generally shade towards him even as Galarneau has enough recent wins to avoid being treated as a pure long shot.[2][16] In other words, the contract is sitting in the familiar zone where a lower-ranked player’s local conditions and recent form can support a non-trivial upset price, but not enough to overturn the ranking gap without new information.
For traders, the main catalysts are lineup confirmation, any late injury or withdrawal news, and whether the match starts on schedule at the Canadian Open, because settlement depends on who advances rather than just whether the fixture is listed.[1][4] The tournament’s official match page currently shows the pairing, but live draw and order-of-play changes can still matter if the match is moved, delayed, or not completed within the contract’s seven-day window. If there is no winner because the match is cancelled, tied, or pushed beyond that window, the market resolves 50-50 under the contract terms, so weather, court scheduling, and walkover risk are the operational variables to watch.
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 PolyGram, 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
- 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 PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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.
Trade Canadian Open: Alexis Galarneau vs Vit Kopriva on PolyGram
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