Valorant: Paper Rex vs Leviatán Esports (BO5) - VCT Masters London Playoffs

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Market context

Paper Rex meet Leviatán Esports in the VCT Masters London grand final, a best-of-five that is priced at a **65% implied probability** for Paper Rex. That makes Paper Rex the clear market favourite, with Leviatán sitting in underdog territory; at this level, the consensus is that Paper Rex are being judged on higher ceiling and more reliable series control rather than a narrow edge.

Recent comparable evidence supports that read. Paper Rex already beat Leviatán 2-0 in this event, winning Ascent 13-1 and Lotus 13-10, which is the kind of head-to-head result that usually hardens favourite pricing in a rematch.[1][3] Paper Rex also reached the final after a 2-1 win over Edward Gaming, showing they can survive longer series as well as shorten them when they get momentum.[2] The value question is whether the market is leaning too heavily on that prior blowout; in a BO5, Leviatán’s upset case is usually tied to map pool depth and their ability to avoid another early collapse.

For traders, the main catalysts are confirmation of the final being played as scheduled and any last-minute format or timing changes, because this market resolves to 50-50 if the match is cancelled, ends level, or is delayed beyond seven days without a winner. Masters London is running through 21 June and the final is listed on the VLR event page, so the key dependency is simply that the grand final goes ahead and completes normally.[5][7][8] The contrarian angle is that a 65% favourite price in a BO5 can still be modest if Paper Rex’s earlier dominance is repeatable, but Leviatán backers are effectively betting on variance across a longer series and a tighter map veto than the first meeting.[1][5]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Valorant: Paper Rex vs Leviatán Esports (BO5) - VCT Masters London Playoffs across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Who Will Win — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 Who Will Win, 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.

Is this market available outside the US?

Who Will Win is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

What does it cost to trade on Who Will Win?

Zero. Who Will Win routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.