Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game 1 Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Slay Baron Nashor | 90% |
| Both Teams Slay a Dragon | 90% |
| Odd/Even Total Kills | 90% |
| Both Teams Slay Baron Nashor | 90% |
| Both Teams Slay a Dragon | 90% |
| Both Teams Destroy Inhibitors | 90% |
| Any Player Quadra Kill | 90% |
| Both Teams Slay Baron Nashor | 90% |
| Both Teams Slay a Dragon | 90% |
| Any Player Quadra Kill | 90% |
| Odd/Even Total Kills | 90% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Any Player Penta Kill | 10% |
| Odd/Even Total Kills | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Penta Kill | 10% |
| Game 2 Winner | 0% |
| Match Winner | 0% |
| Game Handicap: BOOM (-1.5) vs Lodis (+1.5) | 0% |
Market context
BOMBA Team face Lodis in a best-of-three League of Legends fixture within the Rift Legends Regular Season on 18 August 2026. The current market pricing reflects absolute certainty in BOMBA's victory, with the crowd-implied probability sitting at 100% YES. This extreme consensus leaves no room for either upset or draw scenarios, suggesting either overwhelming historical dominance by BOMBA or severe information asymmetry regarding Lodis's competitive standing.
Regional League of Legends regular seasons typically see probability compression around established tier-one organisations, particularly when roster stability and recent tournament performance diverge sharply between opponents. If BOMBA holds a multi-season winning record against Lodis or commands significantly superior regional seeding, the 100% reading becomes more defensible. Conversely, if Lodis has mounted recent roster improvements, secured high-profile player acquisitions, or demonstrated upward trajectory in recent fixtures, the market may be anchoring excessively on historical precedent rather than current form. Best-of-three formats inherently introduce volatility; even favoured teams face genuine upset risk across multiple games.
Traders should monitor official Rift Legends announcements regarding roster confirmations, injury status, or last-minute substitutions before the 18 August start time. Coaching changes, scrim results leaking into community discourse, or meta shifts favouring particular champion pools can shift competitive balance meaningfully. The settlement window closes 23:00 ET on 18 August, with a 14-day postponement window extending to 1 September. Any fixture delay or cancellation triggers a 50-50 resolution, creating distinct risk profiles for those holding positions through the original scheduled date.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win. 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.
- 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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