Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
96% | 4% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
96% | 4% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Match Winner | 96% |
| Game 1 Winner | 90% |
| Game 2 Winner | 90% |
| Game Handicap: FEC (-1.5) vs Once Upon A Team (+1.5) | 81% |
| Both Teams Slay a Dragon | 59% |
| Both Teams Slay a Dragon | 59% |
| Both Teams Slay a Dragon | 59% |
| Both Teams Slay Baron Nashor | 52% |
| Any Player Quadra Kill | 52% |
| Both Teams Destroy Inhibitors | 51% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 38% |
| Both Teams Destroy Inhibitors | 38% |
| Any Player Quadra Kill | 38% |
| Any Player Penta Kill | 38% |
| Both Teams Slay Baron Nashor | 38% |
| Both Teams Destroy Inhibitors | 38% |
| Any Player Quadra Kill | 38% |
| Any Player Penta Kill | 38% |
| O/U 2.5 Games | 18% |
Market context
Frites Esports Club are priced as a heavy favourite against Once Upon A Team in this Road Of Legends regular-season best of three, and the market’s 90% YES implies a result close to the strongest end of the range seen across comparable venues. That sits broadly in line with sportsbook shading: PARI lists Frites at 1.05 and Once Upon A Team at 7.70, while other betting pages show Frites around 1.19–1.20 and Once Upon A Team near 4.0, all of which point to a clear but not literally risk-free advantage for Frites.[7][9][10] Prediction-market pricing is even firmer, with Robinhood showing Frites at 94¢ and Once Upon A Team at 6¢, so this contract is slightly cheaper than that venue but still well above a coin-flip.[8]
The historical frame also supports the favourite’s status: Strafe says the teams have met twice and Frites won both series, including a 2-0 on 7 April 2026 in Road Of Legends Spring.[4][1] Strafe also lists Frites as the higher-ranked side and notes stronger recent form, which helps explain why crowd and bookmaker opinion have converged so strongly on Frites despite the match being a BO3, where upset risk is naturally lower than in a single game.[4] Comparable listings from other data sites are consistent, with GosuGamers also placing Frites higher than Once Upon A Team in the spring fixture record.[3]
For traders, the main catalysts are straightforward: whether the match starts on the scheduled Road Of Legends Summer slate, whether the official bracket or fixture list changes, and whether any late roster or schedule announcement alters the expected line-up.[4][5] The settlement rules matter here as well, because a cancellation, tie or delay beyond seven days would force 50-50 resolution, so pre-match certainty is not just about who is stronger but whether the series is actually played in full.[15] In practice, the largest divergence to watch is between the very high crowd-implied probability and the still-high but slightly less extreme sportsbook pricing, which leaves a small gap for late information to move the contract.
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.
FAQ
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade LoL: Frites Esports Club vs Once Upon A Team (BO3) -… on Best Prediction Markets UK
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