MLB: RBIs Leader

Platform comparison

Active sub-markets

Market context

The 2026 MLB regular season will determine which player accumulates the most runs batted in across all 162 games, with the settlement window closing at the end of September. RBI totals typically range from 110 to 140 for league leaders, though the exact figure depends on team offensive depth, ballpark factors, and individual health across the season.

Historical RBI leaders have clustered around players on high-scoring teams with consistent lineup protection. In recent years, leaders like Aaron Judge (2022) and Mookie Betts have benefited from playing alongside other elite hitters who create run-scoring opportunities. The 2025 season will provide the most recent comparable data; tracking which teams' offences are performing strongest heading into 2026 will be essential. Players who bat third or fourth typically accumulate higher RBI totals than those in other positions, assuming regular playing time.

Key variables for traders include roster changes during the off-season, particularly acquisitions that strengthen a team's middle-of-the-order depth, and any injuries to established run-producers during spring training. The schedule's distribution of games against weaker pitching staffs can marginally favour certain teams' hitters. Monitoring beat reporters covering contending teams' rosters in December 2025 and January 2026 will signal which players are positioned for high RBI opportunities. Early-season performance through May will clarify which players are on pace, though regression and injury remain constant factors through September.

Methodology

This page reviews MLB: RBIs Leader across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Sport Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 Sport Prediction, 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?

Sport Prediction 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.

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 Sport Prediction?

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

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.