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Dota 2: BetBoom Team vs Aurora (BO1) - BLAST Slam Group Stage

Five-platform snapshot of "Dota 2: BetBoom Team vs Aurora (BO1) - BLAST Slam Group Stage" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

1% YES 99% NO Volume: $654K Liquidity: $198K Closes: 26 May 2026
Trade on Kalshi UK →
Dota 2: BetBoom Team vs Aurora (BO1) - BLAST Slam Group Stage

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Kalshi UK Pick
polygram.ink
1% 99% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Kalshi UK →
Polymarket
polymarket.com
1% 99% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Kalshi UK →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on Kalshi UK →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on Kalshi UK →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on Kalshi UK →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.

Active sub-markets

Ends in Daytime1% YES100% NO
Both Teams Beat Roshan50% YES50% NO
Both Teams Destroy Barracks50% YES50% NO
Any Player Ultra Kill50% YES50% NO
Any Player Rampage50% YES50% NO
Match Winner100% YES0% NO

Market context

BetBoom Team face Aurora in a best-of-one group stage match at BLAST Slam, with the fixture scheduled for 26 May at 08:40 ET. Polymarket currently prices BetBoom's victory at 10%, implying Aurora as heavy favourites. The conditional token structure on Polygon settles USDC payouts based on match outcome, with the settlement window closing at 18:50 UTC on the scheduled date—allowing roughly ten hours for the match to conclude before resolution.

BetBoom Team have competed inconsistently in recent Dota 2 tournaments, whilst Aurora has demonstrated stronger form in regional qualifiers and group stage play. Historical precedent suggests that when Polymarket prices a team below 15% in direct matchups, the underdog typically faces significant structural disadvantages—either roster instability, recent tournament exits, or unfavourable draft circumstances. BetBoom's recent performances at comparable events show mixed results against tier-one opposition, which contextualises the current pricing rather than suggesting mispricing.

Traders should monitor BLAST's official schedule for any postponements or format changes in the days preceding 26 May, as tournament organisers occasionally adjust timings for broadcast windows. Team announcements regarding roster changes or player substitutions would materially shift conditional token valuations, particularly given BetBoom's history of mid-tournament adjustments. The match format—single elimination rather than best-of-three—removes opportunities for teams to adapt between games, favouring the team with superior preparation and current form. Any technical delays extending beyond the seven-day window would trigger the 50-50 resolution clause, a tail risk worth monitoring given BLAST's infrastructure dependencies.

Methodology

We track Dota 2: BetBoom Team vs Aurora (BO1) - BLAST Slam Group Stage on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?
On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
What does it cost to trade on Kalshi UK?
Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
How fast are USDC deposits?
Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
How reliable are the quoted odds?
The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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