Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts | 100% |
| Completed Match | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 2 Winner | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Total Sets: O/U 2.5 | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Match O/U 21.5 | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 1 O/U 8.5 | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Match O/U 22.5 | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 1 O/U 9.5 | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Match O/U 23.5 | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 1 O/U 10.5 | 100% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 1 Winner | 0% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 2 O/U 8.5 | 0% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set Handicap +/-1.5 | 0% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 2 O/U 9.5 | 0% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set Handicap +/-1.5 | 0% |
| Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts Set 2 O/U 10.5 | 0% |
Market context
The ATP Challenger meeting in Grodzisk Mazowiecki pits Viktor Durasovic against Michael Geerts on outdoor hard courts, and the market is effectively pricing a completed contest rather than a cancellation. Current match data show Geerts ahead in the rankings, around ATP No. 337 to Durasovic’s No. 490, which is the basic form signal behind the market’s lopsided crowd view.[1][2][7] The 100% implied YES figure is unusually extreme for a two-player tennis market, so it is better read as a statement that traders expect the scheduled fixture to be settled one way or another than as a precise forecast of the winner.[1][3][8]
The historical frame is straightforward: in prior meetings, Geerts has had the edge, including the most recent head-to-head, although the longer record is not one-sided.[1][6] That matters because these Challenger-level hard-court matches tend to move on narrow inputs — recent results, ranking gap, and any sign of a withdrawal — rather than on broad market narratives. Comparable pricing in other live listings has also treated Geerts as the marginal favourite, but not by a margin that would normally justify a full 100% crowd consensus unless traders are assuming routine completion.[2][4][7]
The main catalyst to watch is whether the match remains on the official schedule and whether either player is listed as retired, withdrawn, or postponed as the tournament progresses. Live scoring feeds currently show the fixture as set for 3 August/4 August depending on timezone formatting, which means the settlement logic will turn on whether play actually starts and finishes before the seven-day delay rule bites.[2][3][7] For traders, the key dependency is not a campaign-style announcement but the tournament order of play and any late medical or travel update from Grodzisk Mazowiecki, since those are the events most likely to shift the market from a normal result to a 50-50 settlement.
Methodology
This page tracks Grodzisk Mazowiecki: Viktor Durasovic vs Michael Geerts across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Election Predictions UK provide a 0%-fee route into the same order book.
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.
FAQ
- 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.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- 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.
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