61% — Will Ben Stiller attend Pro Basketball Finals Game 1 Kalshi 61% · 18 contracts · $84K volume · medium confidence Updated 2026-06-26 20:45:40 UTC Why this matters: This market estimates a 62% probability that actor Ben Stiller will attend Game 1 of the 2026 NBA Finals between New York and San Antonio. The probability reflects typical celebrity attendance patterns at high-profile sporting events, balanced against competing schedule conflicts and personal preferences. Celebrity attendance at Finals games varies significantly based on several factors: personal connections to the teams or players involved, filming schedules, prior commitment patterns, and geographic convenience. The single largest determinant will be whether the Finals occur as scheduled and Ben Stiller's availability during that specific date window. Comparable markets show wide variance—Jason Bateman prices 77 cents while Jimmy Fallon trades at just 3 cents—suggesting individual preference and social networks drive these estimates rather than a uniform celebrity attendance baseline. Resolution depends entirely on documented attendance records from official Game 1 proceedings. Key factors: - No publicly stated preference by Ben Stiller for NBA or specific team involvement provides baseline context for his typical attendance rate - Geographic proximity matters: the Finals location (New York hosts Game 1) affects likelihood compared to neutral venues - Filming schedules for Stiller's current and upcoming projects during the Finals date range would directly enable or prevent attendance - Historical precedent: documented instances of Stiller attending live sporting events can establish baseline behavioral patterns - Official attendance records and game footage will definitively resolve whether he attends, making this directly verifiable Contracts: - Will Donald J Trump attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Donald J Trump — 90¢ Kalshi $27K (weight 32%) - Will Bad Bunny attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Bad Bunny — 6¢ Kalshi $18K (weight 21%) - Will Kylie Jenner attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Kylie Jenner — 48¢ Kalshi $13K (weight 16%) - Will Gregg Popovich attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Gregg Popovich — 4¢ Kalshi $7K (weight 8%) - Will Zohran Mamdani attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Zohran Mamdani — 97¢ Kalshi $6K (weight 7%) - Will Ben Stiller attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Ben Stiller — 97¢ Kalshi $2K (weight 3%) - Will Selena Gomez attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Selena Gomez — 15¢ Kalshi $2K (weight 2%) - Will Tracy Morgan attend Pro Basketball Finals Game 3: New York vs. San Antonio in 2026?: Tracy Morgan — 87¢ Kalshi $2K (weight 2%) - ... and 10 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: 2026-06-09T07:20:11.983Z* By SimpleFunctions — https://simplefunctions.dev/ Cite as: "61% per prediction markets (SimpleFunctions, June 2026)" Canonical: https://simplefunctions.dev/answer/finalsattend Full data: https://simplefunctions.dev/api/public/query?q=Will%20Ben%20Stiller%20attend%20Pro%20Basketball%20Finals%20Game%201 Provider: SimpleFunctions — https://simplefunctions.dev