MLB: RBIs Leader

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Active sub-markets

Market context

The 2026 MLB regular season will crown an RBI leader across 162 games, with the title going to whichever player finishes with the highest run-batted-in total. Tiebreakers cascade through home runs, then batting average, reflecting MLB's official statistical hierarchy. Settlement occurs at season's end on 28 September 2026, making this a full-season durability play rather than a sprint metric.

Historical RBI leaders typically cluster around 120–140 runs batted in during a standard season, though the range has widened considerably. Juan Soto led MLB with 109 RBIs in 2024 despite playing in a lower-run environment; Mookie Betts and Kyle Schwarber each finished with 105. The 2023 leader, Mitch Garver, recorded 75 RBIs in a shortened role, whilst Aaron Judge's 144 RBIs in 2022 represented a more traditional pace-setter. Context matters sharply: lineup construction, ballpark factors, and team offensive philosophy determine whether a slugger accumulates RBIs efficiently. A player batting fourth or fifth in a high-octane offence will generate more opportunities than a cleanup hitter in a rebuilding roster.

Traders should monitor off-season roster moves and spring training performance through March 2026, particularly trades that shift a player into a higher-leverage batting slot. Injury updates during the season will reshape expectations; a star's absence from the lineup for six weeks materially damages their RBI total. Recent trends suggest the RBI leader increasingly comes from teams with deep lineups capable of generating consistent baserunners, making front-office spending patterns and mid-season acquisitions worth tracking closely.

Methodology

We track MLB: RBIs Leader on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Who Will Win 2026, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Who Will Win 2026 is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.