Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
40% | 60% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
40% | 60% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 40% |
| ITF W100 Landisville, PA Women: Ava Catanzarite vs Martina Okalova | 2% |
Market context
Ava Catanzarite’s match with Martina Okalova is still priced as a near-certain Okalova win, and the market has not shifted materially despite the event being scheduled for the Landisville qualifying week. The latest live pricing shows Catanzarite around 1¢ and Okalova around 99¢, which implies traders see Catanzarite as a deep underdog and are waiting for an on-court result rather than a late upset in the price. [1]
That sort of spread is typical for ITF qualifying when one player has a clearer recent level or ranking profile, but it also leaves room for settlement risk if the match is not actually completed. Landisville is an outdoor hard-court W100 event running 3–9 August 2026, so any weather interruption, schedule compression, or withdrawal before a ball is struck could matter more than the pre-match probability suggests. The tournament is part of the ITF Women’s World Tennis Tour and uses standard scoring on outdoor hard courts. [2][5][17]
For traders, the immediate catalysts are simple: confirmation that the match is played, whether it starts on time, and whether either player withdraws or is moved due to court scheduling. Robinhood’s market terms indicate a 50-50 outcome if the match does not occur, while a delayed rescheduling keeps the contract open until the rescheduled match finishes within the stated window. That means the real watchlist is the order of play, any withdrawal notices, and whether the tournament gets hit by rain or backlog in qualifying. [1][2]
Methodology
We track ITF W100 Landisville, PA Women: Ava Catanzarite vs Martina Okalova across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- 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 Prediction Today 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.
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