Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
60% | 40% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
60% | 40% | 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 |
|---|---|
| Match Winner | 60% |
| Game 1 Winner | 59% |
| Game 2 Winner | 57% |
| O/U 2.5 Games | 51% |
| Ends in Daytime | 51% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| First Blood in Game 2? | 50% |
| First Blood in Game 1? | 50% |
| Total Kills Over/Under 55.5 in Game 2? | 50% |
| Total Kills Over/Under 55.5 in Game 1? | 50% |
| Total Kills Over/Under 50.5 in Game 1? | 50% |
| Total Kills Over/Under 50.5 in Game 2? | 50% |
| Game Handicap: AUR (-1.5) vs BoomBoys (+1.5) | 36% |
Market context
Aurora and BoomBoys will compete in a best-of-three elimination match at The International 2026, Dota 2's premier annual championship. The match is scheduled for 15 August 2026 at 22:00 ET, with settlement contingent on completion by 16 August 09:00 UTC. The 59% crowd probability favours Aurora, reflecting their positioning as the marginally stronger outfit heading into the knockout stage.
Historical precedent suggests elimination-round matchups between regional powerhouses tend to reflect pre-tournament seeding and recent LAN performance more reliably than regular-season records. Aurora's qualification path and recent tournament placements establish them as the statistical favourite, though The International's format has produced upsets when teams enter with superior draft preparation or momentum from earlier rounds. BoomBoys' path to this elimination round indicates they possess the structural capability to contest, making this a competitive rather than heavily skewed encounter.
Traders should monitor team roster confirmations and any last-minute substitutions announced before the scheduled start, as Dota 2 eligibility rules permit limited roster changes up to match time. Venue or technical delays could trigger the postponement clause, extending the settlement window to 29 August 23:59 ET. Broadcast schedules from ESL or the official Dota 2 channels will confirm exact timing; any cancellation or tie would resolve the market to 50-50 regardless of in-game circumstances. The current probability reflects standard elimination-round dynamics rather than material new information about either team's preparation.
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 Dota 2: Aurora vs BoomBoys (BO3) - The International Elimination Round 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.
- 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.
- 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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