Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game 1 Winner | 100% |
| Game 2 Winner | 100% |
| First Blood in Game 2? | 100% |
| Total Kills Over/Under 40.5 in Game 2? | 100% |
| Any Player Ultra Kill | 90% |
| Both Teams Beat Roshan | 10% |
| Any Player Rampage | 10% |
| First Blood in Game 1? | 10% |
| Ends in Daytime | 1% |
| Both Teams Beat Roshan | 1% |
| Both Teams Destroy Barracks | 1% |
| Any Player Ultra Kill | 1% |
| Any Player Rampage | 1% |
| Total Kills Over/Under 50.5 in Game 2? | 1% |
| Total Kills Over/Under 45.5 in Game 2? | 1% |
| Total Kills Over/Under 55.5 in Game 2? | 1% |
| Ends in Daytime | 0% |
| Both Teams Destroy Barracks | 0% |
| Total Kills Over/Under 50.5 in Game 1? | 0% |
| Total Kills Over/Under 55.5 in Game 1? | 0% |
| Total Kills Over/Under 45.5 in Game 1? | 0% |
Market context
BetBoom Team’s best-of-two against GamerLegion is a live Dota 2 event with USDC-settled “More markets” exposure, so the 100% YES crowd price is effectively saying the listed derivatives are treated as already locked in or overwhelmingly certain. In comparable head-to-heads this year, BetBoom have held the edge: they beat GamerLegion 2-0 at ESL One Birmingham in March 2026, and earlier results on series databases also show BetBoom taking their meetings across 2025–26.[3][9][16] That history matters because “More markets” contracts on prediction venues often trade more on event confirmation and market structure than on pure team strength once a series is already scheduled and underway.
For traders, the main catalysts are not Dota form alone but whether the scheduled BO2 actually begins on time, whether the tournament page and broadcast listings remain aligned, and whether any technical forfeit, delay, or format change affects settlement before the 20:00 UTC window closes.[1][5][13] On the crypto side, the contract’s USDC settlement means the main on-chain risk is execution rather than price direction, but broader market conditions can still affect liquidity and positioning if BTC or ETH move sharply; in that case, exchange spot and funding swings can spill into prediction market flow. Recent matchup pages from Sofascore, Flashscore, and Liquipedia all place the series on 1 August, which supports the view that the remaining uncertainty is operational rather than competitive.[1][5][16]
Methodology
This page reads Dota 2: BetBoom Team vs GamerLegion - More Markets on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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