Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
69% | 31% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
69% | 31% | 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 |
|---|---|
| National Bank Open: Learner Tien vs Thiago Agustin Tirante | 69% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 1 O/U 8.5 | 66% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 1 Winner | 64% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 2 Winner | 63% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Match O/U 21.5 | 55% |
| Completed Match | 51% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 2 O/U 8.5 | 50% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 2 O/U 9.5 | 50% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 2 O/U 10.5 | 50% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Match O/U 22.5 | 48% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set Handicap +/-1.5 | 44% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Match O/U 23.5 | 44% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Total Sets: O/U 2.5 | 39% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 1 O/U 9.5 | 38% |
| National Bank Open: Learner Tien vs Thiago Agustin Tirante Set 1 O/U 10.5 | 35% |
Market context
Learner Tien’s match with Thiago Agustin Tirante in Montreal is being priced as a Tien-leaning round-of-16 contest on hard court, with the crowd at 69% for Tien and Tennis.com showing him as a 73% projected winner. That sits broadly in line with pre-match models that have Tien around the low-70s and Tirante in the high-20s, which is a fairly standard spread for a seed versus an unseeded player at this stage of an ATP Masters 1000 event. The market is therefore reading as a favourite-versus-live-underdog spot rather than a toss-up.[1][9][13]
The historical frame is limited because the pair have not met on the ATP main tour before, so the main analogue is ranking and recent-form pricing rather than head-to-head history. Tien is the No. 12 seed and world No. 19 in the draw, while Tirante is outside the top 60 and unseeded; that gap is consistent with why most external previews have Tien ahead, even if Tirante’s run in Montreal has created some counter-sentiment.[3][11][15] In that sense, the current probability looks closer to a conventional seed-vs-form player market than to a match driven by rivalry or repeat-match data.[2][3]
The main catalyst to watch is whether the scheduled centre-court start holds and whether either player’s path through the tournament changes the perceived edge before play begins. Tennis sources list the match for 9 August on Centre Court, while some live listings place it on 10 August, so traders should pay attention to official order-of-play updates and any weather or scheduling shifts that could push the contest past the market’s settlement window.[1][12][16] Recent coverage has also emphasised Tien’s straight-sets wins over Gaël Monfils and Tommy Paul, alongside Tirante’s upset run, which is the kind of form signal likely anchoring the current lean.[8][11][13]
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 National Bank Open: Learner Tien vs Thiago Agustin Tirante 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
- 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.
- 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.
Trade National Bank Open: Learner Tien vs Thiago Agustin T… on Trump Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →