Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
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% |
| Ends in Daytime | 100% |
| Ends in Daytime | 90% |
| Both Teams Destroy Barracks | 90% |
| Both Teams Beat Roshan | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Both Teams Destroy Barracks | 10% |
| Ends in Daytime | 10% |
| Both Teams Beat Roshan | 1% |
| Any Player Ultra Kill | 1% |
| Any Player Rampage | 1% |
| Game 2 Winner | 0% |
| Game Handicap: RE.Arise (-1.5) vs Ilbirs eSports (+1.5) | 0% |
| Both Teams Beat Roshan | 0% |
| Both Teams Destroy Barracks | 0% |
| Any Player Ultra Kill | 0% |
| Any Player Rampage | 0% |
Market context
Polymarket has this contract pinned at **100% YES** right now, which leaves no priced uncertainty even though the market still settles on the actual BO3 result between RE.Arise and Ilbirs eSports. On Polymarket’s rails, the position sits as a USDC-denominated conditional token on Polygon, so the practical issue is not abstract sentiment but whether the listed winner is confirmed before the settlement window closes.
That reading is consistent with the teams’ recent head-to-heads and the shape of the bracket. The pair met in the same event earlier in the tournament cycle, with RE.Arise winning the 1 August group-stage series 2-0 in Asgard Championship Season 1, while the playoff match on 9 August was already underway and shown live at 1-1 in Game 3 on multiple scoreboards. A short series history matters here because BO3 Dota often turns on draft adaptation and side-specific execution rather than broad team reputation, and market pricing can swing hard when a rematch follows a fresh result.
The main catalysts for traders are straightforward: official match completion, any bracket rescheduling, and whether the final game is actually finished before the 7-day fallback rule becomes relevant. Live scoreboards and tournament trackers placed the match for 9 August at 18:00-18:15 UTC, but if there were a disconnect, abandonment or extended delay, Polymarket’s contract mechanics would decide the outcome rather than the scoreboard alone. For holders, the key dependency is whether the TO posts a verified final result in time for the conditional tokens to resolve cleanly.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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