Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) 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 |
|---|---|
| Game 1 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Beat Roshan | 100% |
| Both Teams Destroy Barracks | 100% |
| Ends in Daytime | 100% |
| Both Teams Destroy Barracks | 100% |
| First Blood in Game 1? | 100% |
| First Blood in Game 2? | 100% |
| Total Kills Over/Under 50.5 in Game 1? | 100% |
| Total Kills Over/Under 50.5 in Game 2? | 100% |
| Total Kills Over/Under 45.5 in Game 1? | 100% |
| Total Kills Over/Under 40.5 in Game 1? | 100% |
| Total Kills Over/Under 55.5 in Game 2? | 100% |
| Total Kills Over/Under 45.5 in Game 2? | 100% |
| Total Kills Over/Under 60.5 in Game 2? | 90% |
| Both Teams Beat Roshan | 10% |
| Total Kills Over/Under 65.5 in Game 2? | 10% |
| Total Kills Over/Under 70.5 in Game 2? | 10% |
| Ends in Daytime | 1% |
| Both Teams Beat Roshan | 1% |
| Any Player Ultra Kill | 1% |
| Any Player Ultra Kill | 1% |
| Any Player Rampage | 1% |
| Game 2 Winner | 0% |
| Game Handicap: BB (-1.5) vs OG (+1.5) | 0% |
| Ends in Daytime | 0% |
| Both Teams Destroy Barracks | 0% |
| Any Player Ultra Kill | 0% |
| Any Player Rampage | 0% |
| Any Player Rampage | 0% |
| Total Kills Over/Under 55.5 in Game 1? | 0% |
| Total Kills Over/Under 60.5 in Game 1? | 0% |
| Total Kills Over/Under 65.5 in Game 1? | 0% |
Market context
BetBoom Team’s lower-bracket quarter-final against OG is a best-of-three in the 1win Essence Playoffs, and the market’s 100% YES price implies the event is already being treated as effectively settled in BetBoom’s favour. On Polymarket that shows up as an implied probability, while on Kalshi the same view would usually be expressed through a contract price near 100 cents; Betfair and Smarkets instead surface it as decimal odds, with the practical difference being that exchange fees and available liquidity matter more than the headline number. KYC also varies: Kalshi is US-focused, Polymarket access is more patchy by jurisdiction, and Betfair/Smarkets are typically constrained by where their regulated exchange products are available.
The historical read is not one-sided enough to justify a perfect price on form alone. BetBoom have generally held the upper hand in recent head-to-heads, including a 2-0 win in May and a 2-1 win in February 2026, while wider head-to-head trackers still show BetBoom with the stronger record across the series history. At the same time, OG have beaten BetBoom in earlier playoff and group-stage settings, which is relevant because Dota 2 best-of-three results can swing sharply with draft advantage and patch comfort rather than raw team name alone.[1][2][3][5]
For traders, the main catalysts are straightforward: whether the scheduled start time holds, whether the organisers confirm the bracket slot, and whether either side posts a line-up change or withdrawal before the series begins. Live scoreboards already list the pairing for 4 August, but some tournament pages note limited or unavailable match data until play is underway, which is the sort of operational wrinkle that matters for settlement if the match is delayed, shortened, or not completed.[4][7][8][9] On this market, the key platform distinction is that a halt or cancellation pushes settlement towards 50-50, so the real risk is not just who is stronger, but whether the series is actually played to completion within the window.
Methodology
We read Dota 2: BetBoom Team vs OG (BO3) - 1win Essence Playoffs from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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