53% — Will Devin Vassell start the game for the San Antonio Pro Basketball team in their first game of the 2026-27 regular season Kalshi 53% · 19 contracts · $10 volume · medium confidence Updated 2026-08-10 09:06:37 UTC Why this matters: This represents a 63% probability that Devin Vassell will be in the San Antonio Spurs' starting lineup for their opening game of the 2026-27 season. The current level reflects Vassell's established role as a key rotation player, though the projection leaves meaningful uncertainty about potential roster changes, injuries, or coaching decisions during the offseason and preseason. The main drivers are Vassell's recent performance trajectory and team depth at his position. The probability will move significantly closer to resolution when the Spurs announce their opening night roster following preseason games in October 2026. Any major injuries to San Antonio's wings, trades involving Vassell, or significant changes to the coaching staff would create material upside or downside from the current level. Key factors: - Vassell averaged 13.7 points and appeared in 54 games in the 2025-26 season, establishing baseline expectations for his role in 2026-27 - No reported trade rumors or significant roster moves involving Vassell as of late July 2026 suggest continuity in his status - The Spurs' depth chart at shooting guard and small forward positions will determine competing candidates for starting slots during preseason - Preseason performance from September through early October 2026 typically influences first-game starting lineups and will provide direct evidence before the resolution date - Coaching staff changes or strategic lineup adjustments after the 2025-26 season could alter starting rotations regardless of player performance Contracts: - Will Yaxel Lendeborg start the game for the Golden State Pro Basketball team in their first game of the 2026-27 regular season?: Yaxel Lendeborg — 63¢ Kalshi $5 (weight 50%) - Will Christian Braun start the game for the Denver Pro Basketball team in their first game of the 2026-27 regular season?: Christian Braun — 75¢ Kalshi $2 (weight 24%) - Will Sandro Mamukelashvili start the game for the Los Angeles L Pro Basketball team in their first game of the 2026-27 regular season?: Sandro Mamukelashvili — 64¢ Kalshi $1 (weight 13%) - Will Quentin Grimes start the game for the Los Angeles L Pro Basketball team in their first game of the 2026-27 regular season?: Quentin Grimes — 66¢ Kalshi $1 (weight 13%) - Will Derrick White start the game for the Boston Pro Basketball team in their first game of the 2026-27 regular season?: Derrick White — 90¢ Kalshi $0 (weight 0%) - Will Hugo González start the game for the Boston Pro Basketball team in their first game of the 2026-27 regular season?: Hugo González — 5¢ Kalshi $0 (weight 0%) - Will Jayson Tatum start the game for the Boston Pro Basketball team in their first game of the 2026-27 regular season?: Jayson Tatum — 85¢ Kalshi $0 (weight 0%) - Will Jordan Walsh start the game for the Boston Pro Basketball team in their first game of the 2026-27 regular season?: Jordan Walsh — 16¢ Kalshi $0 (weight 0%) - ... and 11 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: 2026-08-10T07:20:52.646Z* By SimpleFunctions — https://simplefunctions.dev/ Cite as: "53% per prediction markets (SimpleFunctions, August 2026)" Canonical: https://simplefunctions.dev/answer/nbastarters Full data: https://simplefunctions.dev/api/public/query?q=Will%20Devin%20Vassell%20start%20the%20game%20for%20the%20San%20Antonio%20Pro%20Basketball%20team%20in%20their%20first%20game%20of%20the%202026-27%20regular%20season Provider: SimpleFunctions — https://simplefunctions.dev