Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ITF Landisville: Ayana Akli vs Carolyn Ansari | 100% |
| Completed Match | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 2 O/U 8.5 | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Total Sets: O/U 2.5 | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Match O/U 21.5 | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 1 O/U 8.5 | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 1 Winner | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Match O/U 22.5 | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Match O/U 23.5 | 100% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set Handicap +/-1.5 | 0% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 2 Winner | 0% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 2 O/U 9.5 | 0% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 1 O/U 9.5 | 0% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 2 O/U 10.5 | 0% |
| ITF Landisville: Ayana Akli vs Carolyn Ansari Set 1 O/U 10.5 | 0% |
Market context
Ayana Akli’s match with Carolyn Ansari in Landisville is priced very differently across venues, which is useful context for reading a 100% crowd-implied “Yes” on Robinhood. Mainstream books are treating Akli as the clear favourite: PokerStars listed Akli at 1.20 and Ansari at 3.90, while Kalshi showed Akli at 77% and Ansari at 23% on the same contest, a gap that suggests the Robinhood market is either reflecting late, one-sided flow or a stale price rather than a balanced contest[9][14]. Sofascore and Flashscore both place Akli slightly ahead in rankings, with Akli around WTA 242 and Ansari around WTA 260, but that difference is modest rather than overwhelming[1][11].
Comparable hard-court and ITF results point to a tight but playable matchup, not a certainty. TennisTemple and related stat pages show the pair as 2nd-round opponents at W100 Landisville, with no meaningful head-to-head history and both players carrying mixed 2026 records[2][3][6]. Some secondary comparison sites even model a straight-sets win for Akli while still acknowledging Ansari’s recent wins, which is consistent with bookmakers making Akli the more likely advancee without implying near-lock status[8][9]. On Betfair-style exchanges, the same setup would normally be read through decimal prices and traded probability rather than a binary percentage, while Smarkets typically displays a price with a commission-adjusted book, so the same opinion can look less extreme once fees are applied.
For catalysts, the main watchpoint is whether the match is officially staged and completed before the settlement window closes on 13 August. Live-score services showed the match scheduled for 6 August and later updated it as live, which matters because this market resolves to 50-50 if the match is not played at all, ends level, or is delayed more than seven days without a winner[3][13][15]. Traders should also watch for walkover, retirement, or schedule reshuffles from the Landisville draw, since those outcomes can decide settlement even when the on-court favourite looks obvious; platform rules differ most here, with Robinhood’s event wording focusing on “advances”, while exchange-style books generally settle on the official result and price in the chance of interruption separately[16].
Methodology
We read ITF Landisville: Ayana Akli vs Carolyn Ansari from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
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). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
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