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 | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 1 O/U 8.5 | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Total Sets: O/U 2.5 | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 2 Winner | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Match O/U 21.5 | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 1 O/U 9.5 | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Match O/U 22.5 | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 1 O/U 10.5 | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Match O/U 23.5 | 100% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa | 0% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 1 Winner | 0% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set Handicap +/-1.5 | 0% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 2 O/U 8.5 | 0% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 2 O/U 9.5 | 0% |
| Iasi Open: Alevtina Ibragimova vs Paula Badosa Set 2 O/U 10.5 | 0% |
Market context
Paula Badosa faces Alevtina Ibragimova in the Iasi Open round of 16, with the on-chain contract currently pricing a Badosa advance at 60% probability. On Polymarket, this USDC-staked position on Polygon trades via conditional tokens, where liquidity reflects the consensus that the Spanish player will outclass her opponent in straight sets.
Historical data from comparable WTA 125 events suggests that a 60% implied probability for a higher-ranked player often underestimates the true win chance when the opponent lacks recent top-level form. In similar matchups where the favourite holds a significant ranking gap, the market frequently corrects upward to 75–80% once the match begins, as seen in recent clay-court tournaments where lower-ranked challengers failed to break serve consistently.
Traders should monitor the official tournament draw updates and any injury reports released before the 3:00 AM ET start, as delays or cancellations trigger the 50-50 settlement clause. Sportskeeda’s preview explicitly tips Badosa to win in straight sets, noting she is likely to secure at least one set at 6-2, which aligns with the current pricing but leaves room for volatility if Ibragimova wins the first set [1]. The Stats Zone further predicts under 19.5 games, reinforcing the expectation of a quick Badosa victory [2].
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 Iasi Open: Alevtina Ibragimova vs Paula Badosa on PolyGram
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