Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Match Winner | 0% YES | 100% NO |
| Game 1 Winner | 0% YES | 100% NO |
| Game 2 Winner | 0% YES | 100% NO |
| Game 3 Winner | 0% YES | 100% NO |
| Game 4 Winner | 50% YES | 50% NO |
| O/U 3.5 Games | 0% YES | 100% NO |
Market context
Team Vitality face Movistar KOI in the LEC upper bracket semifinal on 23 May, with the 12% implied probability suggesting heavy favouritism towards the Spanish side. Vitality's recent domestic performance has been inconsistent; they finished fourth in the regular season and have struggled against top-tier competition, whilst KOI secured second place and demonstrated stronger macro play and team cohesion throughout the spring split. The matchup hinges on Vitality's ability to execute early-game pressure through their mid-jungle axis, a strength that has occasionally materialised but remains unreliable against prepared opponents.
Historical context matters here: Vitality's playoff record against KOI over the past two seasons shows marginal results, with neither team establishing clear dominance. However, KOI's current roster stability—particularly their bot lane consistency—contrasts with Vitality's ongoing adjustments. The 12% probability reflects market confidence in KOI's structural advantages rather than Vitality's recent form suggesting an upset is unlikely.
Traders should monitor team announcements regarding player availability through to the settlement window closing on 24 May at 21:00 UTC. Any last-minute roster changes, coaching adjustments, or technical issues affecting either team could shift expectations. KOI's performance in their quarterfinal match (should they advance) would provide immediate context for their form heading into this fixture, though the schedule suggests this semifinal occurs relatively early in the playoff bracket. Fixture delays beyond seven days would trigger a 50-50 resolution.
Methodology
We track LoL: Team Vitality vs Movistar KOI (BO5) - LEC Playoffs on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. 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.
- 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.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade LoL: Team Vitality vs Movistar KOI (BO5) - LEC Playoffs on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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