Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Both Teams Beat Roshan | 100% |
| First Blood in Game 1? | 100% |
| Total Kills Over/Under 55.5 in Game 1? | 90% |
| Total Kills Over/Under 50.5 in Game 1? | 90% |
| Total Kills Over/Under 60.5 in Game 1? | 90% |
| Total Kills Over/Under 45.5 in Game 1? | 90% |
| Game 2 Winner | 56% |
| O/U 2.5 Games | 56% |
| Both Teams Beat Roshan | 51% |
| Both Teams Beat Roshan | 51% |
| First Blood in Game 2? | 51% |
| Ends in Daytime | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Ends in Daytime | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Total Kills Over/Under 55.5 in Game 2? | 50% |
| Total Kills Over/Under 50.5 in Game 2? | 50% |
| Total Kills Over/Under 70.5 in Game 1? | 50% |
| Total Kills Over/Under 75.5 in Game 1? | 50% |
| Game Handicap: BoomBoys (-1.5) vs Aurora (+1.5) | 45% |
| Match Winner | 35% |
| Total Kills Over/Under 65.5 in Game 1? | 10% |
| Ends in Daytime | 1% |
| Both Teams Destroy Barracks | 1% |
| Any Player Ultra Kill | 1% |
| Any Player Rampage | 1% |
| Game 1 Winner | 0% |
| Game Handicap: AUR (-1.5) vs BoomBoys (+1.5) | 0% |
Market context
Aurora and BoomBoys are scheduled to compete in a best-of-three Dota 2 elimination match at The International on 15 August 2026 at 22:00 ET. The winner advances in the tournament bracket; the loser is eliminated. The current crowd-implied probability of 54% for Aurora suggests marginal confidence in their victory, reflecting uncertainty about form, recent roster changes, or head-to-head dynamics between these two organisations.
Historical precedent from prior International tournaments shows that elimination-round matchups between teams with comparable regional strength typically settle within 48–52% probability ranges until concrete pre-match intelligence emerges. Aurora's 54% probability sits slightly above this neutral threshold, suggesting traders perceive a modest structural advantage—possibly rooted in recent LAN placements, patch familiarity, or draft flexibility. Comparable upsets at The International have occurred when lower-seeded teams exploited meta shifts or capitalised on opponent preparation gaps; such reversals typically materialise when pre-match probability underestimates a challenger's adaptability.
Traders should monitor official The International schedule confirmations, any roster announcements or stand-in declarations, and patch notes released before the match window. Dota 2 balance patches can substantially alter hero viability and team preparation timelines. The settlement window closes 16 August 2026 at 09:00 UTC, allowing a 14-day postponement window through 29 August 2026 at 23:59 ET if scheduling conflicts arise. Under German GlüStV regulations, this market remains accessible to EU traders; US CFTC reach typically excludes prediction markets on esports outcomes. The no-KYC threshold of $1,500 applies to aggregate positions on this specific market, meaning traders can establish positions below that tier without identity verification on compliant platforms.
Methodology
This overview of Dota 2: Aurora vs BoomBoys (BO3) - The International Elimination Round reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Is Kalshi Legal in California has a different geo footprint.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- What happens during a tax audit?
- You're responsible for documenting your trades. Is Kalshi Legal in California exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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