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 |
|---|---|
| O/U 2.5 Games | 100% |
| Game 2 Winner | 98% |
| Game 1 Winner | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Match Winner | 0% |
| Game Handicap: FSK (-1.5) vs UP2UMEDIA Cebulaki (+1.5) | 0% |
Market context
UP2UMEDIA Cebulaki and Forsaken were scheduled for a best-of-three Rift Legends regular-season match on 5 August at 15:00 UTC, and several event trackers list it as a Round 1 fixture in the 2026 summer split.[1][2][12] For a market that settles in USDC on the match result, the cleanest read on a 50% crowd price is that traders are pricing a genuinely open contest rather than a clear edge, even though third-party market pages have leaned much more heavily towards Forsaken in related pricing.[11][16]
The main comparison point is that outside forecasts have not agreed with the 50% split: Strafe’s community vote showed 75% for UP2UMEDIA Cebulaki, while Kalshi’s contract implied roughly 92% for Forsaken, a gap wide enough to suggest thin information and low confidence in public priors.[5][16] GosuGamers listed Forsaken above UP2UMEDIA Cebulaki in its tournament ranking snapshot, with Forsaken at world rank 48 and UP2UMEDIA Cebulaki at 73, which is a modest structural reason to avoid treating the match as a coin flip if one trusts ranking-based signals.[2]
What matters next is whether the series is confirmed as played, completed on schedule, and resolved without any administrative delay, because this contract pays 50-50 if the match is cancelled, tied, or pushed beyond seven days without a winner.[1] As of the current market window, the key catalysts are simple: official bracket or broadcast confirmation, any schedule change in Rift Legends, and whether the series result is posted by the trackers that are already carrying the fixture; if the market remains open through the settlement window, the main driver is still the match outcome rather than broader crypto conditions.[1][7][11]
Methodology
This page reads LoL: UP2UMEDIA Cebulaki vs Forsaken (BO3) - Rift Legends Regular Season 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.
UK Frequently Asked Questions
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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.
- 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%.
Trade LoL: UP2UMEDIA Cebulaki vs Forsaken (BO3) - Rift Leg… on BTC Prediction
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