MLB: RBIs Leader

Platform comparison

Active sub-markets

Market context

The 2026 MLB regular season will crown a single leader in runs batted in across all thirty teams. This market settles on that player's identity once the regular season concludes on 28 September 2026, with tiebreaker protocols favouring home run total, then batting average, should multiple players finish level on RBIs.

Historical RBI leaders typically accumulate 120–140 runs batted in across a full season, though the figure fluctuates with offensive environment and team construction. Aaron Judge led MLB with 144 RBIs in 2022; Kyle Schwarber managed 112 in 2024. The spread between first and fifth place rarely exceeds 15 RBIs, making this a tight race where injury, trade deadline movement, or mid-season slump can shift the leaderboard substantially. Established sluggers on high-octane offences—particularly those batting third or fourth—hold structural advantages, as they inherit more baserunners and plate appearances in scoring position.

Traders should monitor spring training performance and early-season offensive trends through April and May, as these typically signal which players will sustain production through September. Team roster changes at the trade deadline in late July will prove decisive; a star hitter moving to a contender with superior run-scoring infrastructure can gain 10–15 RBIs in the final two months. Injury reports remain critical throughout, given that even a four-week absence can eliminate a frontrunner from contention. Recent seasons have shown that consistency matters more than peak performance—the RBI leader rarely posts the highest slugging percentage, instead combining steady at-bats with timely hitting.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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.

What does it cost to trade on Who Will Win?

Zero. Who Will Win routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Who Will Win triggers a quick verification flow that finishes in minutes.