47% — Will Lionel Messi or Kylian Mbappé have more goals in the FIFA World Cup Leader: Lionel Messi at 47% · Kalshi 47% · 3 contracts · $5K volume · medium confidence Updated 2026-06-25 23:44:39 UTC Tracks the leading outcome in a winner-take-all prediction market set with 3 outcomes. Why this matters: This market measures whether Lionel Messi or Kylian Mbappé will score more goals at the next FIFA World Cup. Messi currently has a 40% probability of outscoring Mbappé, with Mbappé close behind at 39% and a tie at 15%. The narrow margin reflects uncertainty about their relative performance, influenced by factors such as their current club form, injury history, role within their national team's system, and historical World Cup performance. The 2026 World Cup in the United States, scheduled for June-July 2026, will definitively resolve this outcome. Traders are pricing in that both players remain elite scorers but face unpredictable variables including tournament-specific conditions, team tactics, and the inherent variance in goal-scoring across compressed group and knockout stages. Key factors: - Mbappé's current age (27 in 2026) and peak performance window versus Messi's age (39) and stamina demands over a full tournament - Historical World Cup goal-scoring rates: Messi has 13 career World Cup goals; Mbappé has 8, though Mbappé's rate per tournament has accelerated - National team tactics and squad depth in attacking roles—whether each player's federation prioritizes them as primary finisher or distributes scoring responsibility - Injury or fitness concerns in the 6 months prior to the tournament that could affect either player's availability or effectiveness - Group stage draw difficulty and knockout progression, which determines total minutes played and scoring opportunities available to each player Contracts: - Will Lionel Messi or Kylian Mbappé have more goals in the FIFA World Cup?: Lionel Messi — 47¢ Kalshi $682 (weight 13%) - Will Lionel Messi or Kylian Mbappé have more goals in the FIFA World Cup?: Kylian Mbappé — 44¢ Kalshi $899 (weight 17%) - Will Lionel Messi or Kylian Mbappé have more goals in the FIFA World Cup?: Tie — 9¢ Kalshi $4K (weight 69%) --- ## Methodology SimpleFunctions aggregates live YES-side prices from Kalshi and Polymarket contracts bound to this question. For binary topics the headline is the liquidity-weighted mid-price (weight = log(1 + 24h volume) × freshness, where freshness is 1.0 if updated <24h, 0.7 if <7d, 0.4 otherwise). For multi-outcome (winner-take-all) topics the headline is the current leader's price — disjoint outcomes are never arithmetically averaged. Snapshots refresh every 5 minutes during market hours. ## SF Signal - SF Index, regime, and 30d Brier calibration are computed separately and surfaced at https://simplefunctions.dev/admin/calibration. - No SimpleFunctions index / regime / calibration signal is bound to this topic yet — the headline above is market-derived only. --- *Last verified: 2026-06-25T23:20:50.115Z* By SimpleFunctions — https://simplefunctions.dev/ Cite as: "47% per prediction markets (SimpleFunctions, June 2026)" Canonical: https://simplefunctions.dev/answer/wcmessimbappe Full data: https://simplefunctions.dev/api/public/query?q=Will%20Lionel%20Messi%20or%20Kylian%20Mbapp%C3%A9%20have%20more%20goals%20in%20the%20FIFA%20World%20Cup Provider: SimpleFunctions — https://simplefunctions.dev