MLB: RBIs Leader

Platform comparison

Market context

The market bets on which player will accumulate the most runs batted in during the 2026 MLB regular season, with tie-breakers favouring home runs, then batting average. Jordan Walker currently leads the 2026 season with 75 RBIs, giving him the strongest on-field position as the season reaches its midpoint [1]. Andrés Chaparro recorded eight RBIs yesterday, showing the volatility of daily performance that can shift leaderboard standings rapidly [2].

Historically, mid-season RBI leaders often retain the title if they maintain consistent playing time and avoid injury, though late-season surges by power hitters frequently overturn early leads. Freddie Freeman, the active career RBI leader with 1,373, exemplifies the durability required to dominate this category over a full season [3]. The current 9% implied probability suggests the crowd views Walker’s lead as fragile, likely anticipating a strong finish from established power hitters who have historically outperformed mid-season frontrunners.

Traders should monitor MLB injury reports and lineup announcements, as a single missed game can alter RBI accumulation significantly. Key catalysts include the return of injured stars and the scheduling of double-headers in late August, which often accelerate RBI totals. Recent coverage highlights how late-season roster moves and pitcher rotations directly impact offensive output, making these dependencies critical for assessing the market’s trajectory [1]. Funding flows into this market will likely surge when major lineup changes are announced, deepening book liquidity around emerging contenders.

Sources: 1 · 2 · 3

Methodology

This page compares MLB: RBIs Leader with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

How does Klarna deposit work on Polymarket Klarna UK?

You enter the deposit amount in EUR/GBP, choose Klarna as the method, run through Klarna's standard authentication (Pay Later or Direct Bank Transfer), and Polymarket Klarna UK converts internally to USDC for the Polymarket order book. Processing: typically under 30 minutes.

What does SOFORT cost as a deposit method?

Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.

Which payment methods are supported?

Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.

Can I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).