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 |
|---|---|
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy | 100% |
| Completed Match | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 1 O/U 8.5 | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Total Sets: O/U 2.5 | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 2 Winner | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Match O/U 21.5 | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 2 O/U 8.5 | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Match O/U 22.5 | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Match O/U 23.5 | 100% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 1 Winner | 0% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set Handicap +/-1.5 | 0% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 1 O/U 9.5 | 0% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 2 O/U 9.5 | 0% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set Handicap +/-1.5 | 0% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 1 O/U 10.5 | 0% |
| Quebec City: Andrea Pellegrino vs Nishesh Basavareddy Set 2 O/U 10.5 | 0% |
Market context
A first-round match between Italian qualifier Andrea Pellegrino and American Nishesh Basavareddy is scheduled for the ATP 250 event in Quebec City on 18 August 2026. The market currently reflects near-certainty that the match will proceed and produce a decisive result, with settlement contingent on completion by 25 August 2026.
Pellegrino, ranked outside the top 200, has limited ATP main-draw experience and typically competes on the Challenger circuit. Basavareddy, a former junior prospect, has struggled to establish consistent ranking momentum on the professional tour. First-round matches between players of this calibre carry elevated cancellation risk compared to featured rounds, though the ATP 250 format generally ensures scheduling priority. Historical data on lower-ranked ATP pairings shows that roughly 3–5 per cent of matches fail to complete or are postponed beyond the settlement window, primarily due to injury withdrawal or weather disruption.
The Quebec City event typically runs mid-August with indoor hard courts, reducing weather-related delays. Traders should monitor ATP injury reports and entry lists as the tournament approaches, particularly in the week preceding 18 August. Any withdrawal by either player would trigger the 50-50 resolution clause. The 100 per cent probability currently priced suggests the market is treating match completion as highly probable, though this discounts the baseline risk of late withdrawals common in lower-ranked first-round fixtures.
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 Quebec City: Andrea Pellegrino vs Nishesh Basavareddy 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.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- 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.
- 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.
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