Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Bot UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Bot UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Bot UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Bot UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Bot UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Bot UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket Bot UK.
Active sub-markets
| Bad Homburg Open: Venus Williams vs Irina-Camelia Begu | 0% Venus Williams | 100% Irina-Camelia Begu |
| Completed Match | 100% YES | 0% NO |
| Bad Homburg Open: Venus Williams vs Irina-Camelia Begu Match O/U 22.5 | 100% Over | 0% Under |
| Bad Homburg Open: Venus Williams vs Irina-Camelia Begu Match O/U 23.5 | 100% Over | 0% Under |
| Bad Homburg Open: Venus Williams vs Irina-Camelia Begu Set 2 O/U 8.5 | 100% Over | 0% Under |
| Bad Homburg Open: Venus Williams vs Irina-Camelia Begu Set 1 Winner | 0% Williams | 100% Begu |
Market context
Venus Williams is due to play Irina-Camelia Begu in the first round of the Bad Homburg Open on grass, with the match listed for 22 June and scheduled on Centre Court in the morning local slot. That matters for a market model because the outcome is binary if the match is completed, but the contract also has a 50-50 fallback if the contest is not played or is left unresolved beyond the stated delay window. [1][4]
The current 62% yes price sits in the same broad range as venue-level tennis pricing rather than a strong directional edge, and live market references have shown Begu as the projected favourite in pre-match feeds despite Williams’ name recognition. Tennis markets on grass can move sharply on last-minute information, so comparable cases are best read through surface-adjusted form, draw position, and whether either player is a late withdrawal rather than legacy reputation alone. [2][6][8]
For a programmatic approach, the main triggers are the official order of play, any pre-match medical or withdrawal notice, and whether the match starts on schedule; once play begins, completion status becomes decisive for settlement logic. A bot or conditional order can monitor tournament scoreboards and roster status, then hedge or cancel exposure if the match is postponed, rescheduled, or abandoned, because that shifts the contract from a straightforward player-vs-player resolution into the market’s tie or 50-50 rules. [2][4][5]
Methodology
This page reviews Bad Homburg Open: Venus Williams vs Irina-Camelia Begu across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Bot UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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
- Is this market available outside the US?
- Polymarket Bot UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Bot UK triggers a quick verification flow that finishes in minutes.
- 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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