Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set Handicap +/-1.5 | 100% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 2 Winner | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 1 O/U 8.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Total Sets: O/U 2.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Match O/U 21.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 1 Winner | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 2 O/U 8.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 1 O/U 9.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set Handicap +/-1.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Match O/U 22.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 1 O/U 10.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 2 O/U 9.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Match O/U 23.5 | 0% |
| The Memphis Classic: Tatiana Prozorova vs Peyton Stearns Set 2 O/U 10.5 | 0% |
Market context
The Memphis match pits Tatiana Prozorova against Peyton Stearns in a straight head-to-head tennis contest, with the market paying out on whichever player is first recorded as advancing. In prediction-market terms, a **YES** share means the named outcome happens, while a **NO** share means it does not; here, a delayed start, cancellation, tie, or a match left unfinished beyond the settlement rules can force a **50-50** resolution instead of a normal win/loss result.
The current **0% YES** crowd view is easier to read if you compare the two players’ profiles than if you treat it as a forecast of certainty. Stearns is the higher-ranked player on the available Memphis match listings, sitting around world No. 58 versus Prozorova around No. 181, which usually anchors pre-match expectations towards the American[4][6][15]. At the same time, several comparison pages show Prozorova arriving with stronger recent win rates across the past year or the current season, which helps explain why a lower-ranked player can still attract some interest even when the market is currently dismissive[3][5][10]. There is no reported head-to-head history between them, so traders cannot lean on prior meetings to resolve the matchup narrative[2][3][16].
For traders, the main catalysts are straightforward: whether the match actually starts on schedule, whether either player withdraws, and whether the contest is completed inside the settlement window. Official draw or order-of-play updates, walkover notices, and live scoring pages are the key dependencies because the market only resolves cleanly if one player is clearly shown to have advanced[1][6][15]. If Memphis scheduling shifts or the match is interrupted and later abandoned, the rules you provided mean the contract may not resolve to either player at all and instead settle 50-50.
Methodology
This page reviews The Memphis Classic: Tatiana Prozorova vs Peyton Stearns across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Market UK, which mirrors 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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Market UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- 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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