Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
10% | 90% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
10% | 90% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
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 Kalshi UK.
Active sub-markets
| Map 3 Total Rounds: Over/Under 22.5 | 10% Over | 90% Under |
| Map 3 Rounds Handicap: G2 Esports (-3.5) vs XLG Gaming (+3.5) | 0% G2 Esports | 100% XLG Gaming |
| Map 2 Total Rounds: Over/Under 22.5 | 0% Over | 100% Under |
| Map 2 Rounds Handicap: G2 Esports (-3.5) vs XLG Gaming (+3.5) | 0% G2 Esports | 100% XLG Gaming |
| Map 1 Winner | 100% G2 Esports | 0% XLG Gaming |
| Map 2 Winner | 0% G2 Esports | 100% XLG Gaming |
Market context
G2 Esports and XLG Gaming meet in the upper bracket quarterfinals of VCT Masters London on 13 June, with the winner advancing directly and the loser dropping to the lower bracket. The match is scheduled for 1:00 PM ET and will be played as a best-of-three series. On Polymarket, the contract currently reflects a 50-50 split between the two outcomes, suggesting traders see this as a genuine toss-up despite G2's historical standing as a top European organisation.
G2 has consistently qualified for international Valorant events and maintains a roster with proven LAN experience, whilst XLG Gaming represents a newer competitive force. Historical matchups between established European teams and rising challengers at Masters events have often hinged on form leading into the tournament rather than pedigree alone. Recent VCT regional performances and roster stability matter considerably; teams arriving at Masters with unresolved internal issues or mid-season roster changes have underperformed relative to their seeding. The current 50-50 pricing suggests the market lacks strong conviction about either team's form trajectory into this specific event.
Traders should monitor team announcements regarding player availability and any last-minute roster confirmations in the week before 13 June. Schedule delays or technical issues at the venue could trigger the 50-50 tie resolution clause if the match extends beyond 7 days without completion. Scrim results and regional qualifier performances in the fortnight prior to Masters will provide concrete data on which team enters London with momentum, though such information typically emerges through community reporting rather than official channels.
Methodology
We track Valorant: G2 Esports vs XLG Gaming (BO3) - VCT Masters London 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
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
- Where can I trade this market with the lowest fees?
- On Kalshi UK, 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.
- 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, Kalshi UK triggers a quick verification flow that finishes in minutes.
- 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.
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