Roehampton: Iliyan Radulov vs Johannus Monday

Platform comparison

Market context

Iliyan Radulov, a Bulgarian tennis player, faces Johannus Monday in a first-round match at Roehampton scheduled for 17 August 2026. The market currently prices Radulov's advancement at 38 per cent, suggesting Monday holds the favoured position despite being the lower-ranked or less-established player in this pairing. Settlement occurs by 24 August 2026, allowing a seven-day window for completion; matches delayed beyond that threshold or cancelled outright resolve to 50–50.

Radulov's recent form and ranking trajectory provide the primary historical lens. Bulgarian players of similar ranking have historically struggled against opponents with stronger serve consistency and court positioning at grass-court events. Roehampton, held on grass, typically favours players with explosive first-serve percentages and net-rushing capability. If Radulov has competed recently on clay or hard courts, the surface transition may disadvantage him; conversely, if he has prepared specifically for grass, the probability could shift upward. Monday's recent match results, particularly against comparable-ranked opponents, will signal whether the current 38 per cent reflects genuine form gaps or market overconfidence in the underdog.

Traders should monitor official ATP or ITF tournament updates for any scheduling changes, injury withdrawals, or surface conditions affecting play. Grass courts are weather-sensitive; rain delays extending beyond the seven-day window would trigger the 50–50 resolution. Pre-match commentary from tennis analysts covering the Roehampton draw, typically published 48–72 hours before play, often reveals late fitness concerns or tactical adjustments that move markets meaningfully.

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Roehampton: Iliyan Radulov vs Johannus Monday plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

UK Frequently Asked Questions

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Are political prediction markets legal in my country?

It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.

Are UK election prediction markets available from the UK?

Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.