Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi 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 Kalshi UK.
Active sub-markets
| Targu Mures: Felix Balshaw vs Sumit Nagal Match O/U 21.5 | 0% Over | 100% Under |
| Targu Mures: Felix Balshaw vs Sumit Nagal Match O/U 22.5 | 0% Over | 100% Under |
| Targu Mures: Felix Balshaw vs Sumit Nagal Match O/U 23.5 | 0% Over | 100% Under |
| Targu Mures: Felix Balshaw vs Sumit Nagal | 0% Felix Balshaw | 100% Sumit Nagal |
| Completed Match | 100% YES | 0% NO |
| Targu Mures: Felix Balshaw vs Sumit Nagal Set 2 Winner | 0% Balshaw | 100% Nagal |
Market context
The ATP Challenger final in Târgu Mureș pits Felix Balshaw against Sumit Nagal on outdoor hard court, with both players holding equal career wins and no prior head-to-head meetings. Polymarket prices the contract for Balshaw advancing at 0% today, a stark divergence from the 62% projected win probability shown by Tennis.com and the live odds favouring Balshaw. This near-zero conditional token price on the Polygon network, settled in USDC, suggests the market is betting on a pre-match cancellation or walkover rather than a competitive contest, echoing historical cases where Challenger finals in Romania were voided due to player injury before the first ball was struck.
Traders must monitor the official ATP start signal—a ball being played—to confirm the market remains active, as any withdrawal before this point resolves the contract to a fair price per the rules. Key catalysts include the 13:00 UTC court assignment confirmation and any late injury reports from the Târgu Mureș tournament office, which could trigger a forfeiture. Recent coverage from TennisTonic highlights that this is the first final meeting between these two, adding volatility if one player arrives fatigued from earlier rounds, while Sofascore notes Balshaw’s four outdoor hard-court wins in 2026 as a potential edge if the match proceeds. The settlement window closing on 4 July 2026 means delayed matches beyond two weeks will force a 50-50 resolution, making timing a critical dependency for conditional token holders.
Methodology
We track Targu Mures: Felix Balshaw vs Sumit Nagal on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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
- Is this market available outside the US?
- Kalshi 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.
- What does it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi 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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