8% — Will Junior Caminero lead Pro Baseball in RBIs for the 2026 regular season Kalshi 8% · 10 contracts · $259 volume · medium confidence Updated 2026-07-27 07:55:25 UTC Why this matters: This represents the likelihood that Junior Caminero finishes the 2026 MLB regular season leading all of baseball in runs batted in. At 6%, the market assigns this a modest probability compared to competitors like Yordan Alvarez (14%) and Jordan Walker (13%). Caminero's relatively low probability reflects his position as a younger player with less historical volume and consistency data compared to established sluggers. The metric would move higher if Caminero demonstrates sustained offensive performance through July and August, maintaining an RBI pace that outpaces the league leaders. The primary catalyst occurs at season's end in late September when final 2026 statistics are recorded and the RBI leader is definitively determined. Markets are pricing in early-season performance trends and historical patterns of established hitters maintaining their offensive output through the full season. Key factors: - Caminero's RBI production rate through July and August relative to current league leaders like Alvarez and Walker - His team's offensive lineup composition and batting order position, which affects opportunities to drive in runs - Historical durability and consistency patterns: whether he can sustain current performance pace without injury or decline through season's end - Comparison of his cumulative RBI total to competitors as the season approaches its final months - Team playoff positioning and potential roster adjustments that could affect his playing time in September Contracts: - Will James Wood lead Pro Baseball in RBIs for the 2026 regular season?: James Wood — 21¢ Kalshi $91 (weight 35%) - Will Jordan Walker lead Pro Baseball in RBIs for the 2026 regular season?: Jordan Walker — 8¢ Kalshi $87 (weight 34%) - Will Yordan Alvarez lead Pro Baseball in RBIs for the 2026 regular season?: Yordan Alvarez — 21¢ Kalshi $73 (weight 28%) - Will Kyle Schwarber lead Pro Baseball in RBIs for the 2026 regular season?: Kyle Schwarber — 3¢ Kalshi $8 (weight 3%) - Will Bo Bichette lead Pro Baseball in RBIs for the 2026 regular season?: Bo Bichette — 5¢ Kalshi $0 (weight 0%) - Will Bryce Harper lead Pro Baseball in RBIs for the 2026 regular season?: Bryce Harper — 4¢ Kalshi $0 (weight 0%) - Will Ben Rice lead Pro Baseball in RBIs for the 2026 regular season?: Ben Rice — 6¢ Kalshi $0 (weight 0%) - Will Brent Rooker lead Pro Baseball in RBIs for the 2026 regular season?: Brent Rooker — 4¢ 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: 2026-07-27T07:20:49.236Z* By SimpleFunctions — https://simplefunctions.dev/ Cite as: "8% per prediction markets (SimpleFunctions, July 2026)" Canonical: https://simplefunctions.dev/answer/leadermlbrbi Full data: https://simplefunctions.dev/api/public/query?q=Will%20Junior%20Caminero%20lead%20Pro%20Baseball%20in%20RBIs%20for%20the%202026%20regular%20season Provider: SimpleFunctions — https://simplefunctions.dev