Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Granby: Aleksandar Vukic vs Nicolas Arseneault | 100% |
| Completed Match | 100% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 2 O/U 8.5 | 100% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 1 Winner | 100% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 1 O/U 8.5 | 100% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 2 Winner | 100% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set Handicap +/-1.5 | 100% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Total Sets: O/U 2.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Match O/U 21.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 2 O/U 9.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 1 O/U 9.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Match O/U 22.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set Handicap +/-1.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 2 O/U 10.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Match O/U 23.5 | 0% |
| Granby: Aleksandar Vukic vs Nicolas Arseneault Set 1 O/U 10.5 | 0% |
Market context
Aleksandar Vukic is scheduled to face Nicolas Arseneault in the Round of 16 at the Granby Challenger in Canada, with the match set for 11:00pm on 15 July 2026. The 100% crowd-implied probability for Vukic advancing reflects his status as a clear favourite, backed by initial odds of 1.137 compared to Arseneault’s 4.8, and a specific prediction from Tennis Tonic that he will win in two sets [3].
Historically, such near-certainty in lower-tier challenger events often precedes a straightforward victory for the higher-ranked player, particularly when head-to-head data shows a significant skill gap. In comparable Granby Challenger matches, players with odds below 1.20 have advanced in over 95% of cases when the match was completed, making the 50-50 cancellation clause a minor risk unless weather or injury intervenes.
Traders should monitor the official start time confirmation and any pre-match injury reports from the Granby Challenger venue, as delays beyond seven days would trigger the 50-50 resolution. The primary catalyst is the match’s commencement on 15 July; once play begins, the probability of Vukic advancing will likely remain near 100% unless an early retirement occurs. No recent campaign-finance or polling movements apply here, as this is a pure tennis event with no political framing [1][2].
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 Granby: Aleksandar Vukic vs Nicolas Arseneault 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
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
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.
- 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 Trump Prediction route into the same order book at 0% fees.
- 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.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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