Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi Alternative UK Pick polygram.ink |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi Alternative UK → |
Polymarket polymarket.com |
90% | 10% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi Alternative UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi Alternative UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi Alternative UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi Alternative 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 Alternative UK.
Active sub-markets
| Halle Open: Learner Tien vs Felix Auger-Aliassime Match O/U 21.5 | 90% Over | 10% Under |
| Halle Open: Learner Tien vs Felix Auger-Aliassime Match O/U 22.5 | 87% Over | 13% Under |
| Halle Open: Learner Tien vs Felix Auger-Aliassime Match O/U 23.5 | 98% Over | 2% Under |
| Halle Open: Learner Tien vs Felix Auger-Aliassime Set 2 Winner | 0% Tien | 100% Auger-Aliassime |
| Halle Open: Learner Tien vs Felix Auger-Aliassime | 49% Learner Tien | 52% Felix Auger-Aliassime |
| Completed Match | 50% YES | 50% NO |
Market context
The Halle Open: Learner Tien vs Felix Auger-Aliassime prediction market currently prices this outcome at 90% YES. This market refers to the tennis match between Learner Tien and Felix Auger-Aliassime in the Halle Open, originally scheduled for June 17, 2026 at 5:30AM ET. This market will resolve to 'Learner Tien…
Methodology
This page compares Halle Open: Learner Tien vs Felix Auger-Aliassime specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Kalshi Alternative UK routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Kalshi Alternative 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 Alternative UK?
- Zero. Kalshi Alternative 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.
- 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 Halle Open: Learner Tien vs Felix Auger-Aliassime on Kalshi Alternative UK
Live order book, 0% fees, USDC settlement in seconds.
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