Lexington: Abedallah Shelbayh vs Dusan Lajovic

Platform comparison

Market context

Abedallah Shelbayh’s match with Dusan Lajovic in Lexington is being priced very differently across venues, with the crowd-implied probability on this contract at **0% YES** even though several sportsbooks make Lajovic a modest favourite. PokerStars has Lajovic at **1.70** to Shelbayh’s **2.00**, Tennistonic shows **1.57** and **2.22** respectively, and the Robinhood contract itself has been quoted around **88¢** for Lajovic versus **13¢** for Shelbayh, which is the clearest cross-platform gap in the field.[4][3][7] That spread suggests the prediction market is either very thin, misaligned on contract interpretation, or lagging the wider betting market rather than reflecting a true no-chance view.[4][7]

Comparable pre-match pricing also points to Lajovic as the stronger side, but not by enough to justify a zero reading. Ten­nist­emple’s bookmaker panel shows an average of **1.75** for Lajovic and **1.98** for Shelbayh, while its own user split leans heavily towards Lajovic at **83.5%** versus **16.5%** for Shelbayh.[5] A model preview from Umpiry goes the other way, giving Shelbayh **56%**, which is a meaningful outlier against the market consensus and shows why this contract can still move sharply if fresh evidence lands.[9]

The main catalyst is simply whether the match goes ahead as scheduled: Flashscore and SofaScore list the fixture for **7 August at 10:00**, while the market description allows a **50-50** settlement if the match is cancelled, tied, or delayed beyond seven days without a winner.[8][2] For traders, the key watchpoints are any ATP Challenger schedule changes, withdrawals, late injury news, or a walkover before first ball; if the match begins but does not finish, the settlement depends on whether one player has already advanced, so live score updates matter as much as the pre-match line.[8][2]

Sources: 1 · 2 · 3 · 4 · 5

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 Best Prediction Markets, which mirrors the Polymarket order book directly.

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 Best Prediction Markets. 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.