17% — Who will perform at Todo Mundo no Rio 2026 Kalshi 17% · 10 contracts · $6K volume · medium confidence Updated 2026-06-26 10:40:34 UTC Why this matters: This 15% probability indicates a modest chance that a major artist will perform at the closing ceremony of the 2026 FIFA World Cup in Rio de Janeiro. The estimate reflects limited public announcements about the event's entertainment lineup, with the World Cup taking place in mid-2026. Key drivers of this probability are official FIFA announcements regarding performers, the typical practice of revealing halftime and closing ceremony entertainment weeks before the event, and historical precedent from previous World Cups. The main catalyst will be FIFA's formal announcement of the closing ceremony performers, likely occurring in the months immediately preceding the tournament. Market pricing suggests traders assign higher confidence to other entertainment events, particularly the World Cup halftime show, where Coldplay trades at 59%. Uncertainty remains about whether Todo Mundo no Rio will feature a dedicated major performer versus a local or ensemble performance. Key factors: - FIFA typically announces halftime and closing ceremony performers 4-12 weeks before World Cup matches begin - Historical World Cup closing ceremonies have featured both internationally recognized artists and regional/ensemble performances, creating ambiguity about what qualifies as 'performing' - Coldplay trades at 59% for the halftime show while this event trades at 15%, suggesting market participants assign significantly lower probability to a major artist at the closing ceremony - Brazil's artist roster and FIFA's preferred partnership with specific entertainment agencies historically influence final performer selection - No public statements from FIFA about closing ceremony entertainment have been made as of June 2026, leaving the decision largely unannounced Contracts: - Who will perform at the 2026 FIFA World Cup final halftime show?: Coldplay — 72¢ Kalshi $4K (weight 75%) - Who will perform at the 2026 FIFA World Cup final halftime show?: Beyoncé — 15¢ Kalshi $1K (weight 20%) - Who will perform at the 2026 FIFA World Cup final halftime show?: KAROL G — 3¢ Kalshi $261 (weight 5%) - Who will perform at the 2026 FIFA World Cup final halftime show?: JAY-Z — 3¢ Kalshi $22 (weight 0%) - Who will perform the next James Bond Song?: Lorde — 9¢ Kalshi $0 (weight 0%) - Who will perform the next James Bond Song?: Oasis — 5¢ Kalshi $0 (weight 0%) - Who will perform the next James Bond Song?: Taylor Swift — 4¢ Kalshi $0 (weight 0%) - Who will be named in Epstein documents released in 2026?: Leonardo DiCaprio — 47¢ Kalshi $0 (weight 0%) - ... and 2 more --- ## 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: 2026-06-26T10:20:50.336Z* By SimpleFunctions — https://simplefunctions.dev/ Cite as: "17% per prediction markets (SimpleFunctions, June 2026)" Canonical: https://simplefunctions.dev/answer/who-perform-todo-mundo-no-rio Full data: https://simplefunctions.dev/api/public/query?q=Who%20will%20perform%20at%20Todo%20Mundo%20no%20Rio%202026 Provider: SimpleFunctions — https://simplefunctions.dev