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MLB: RBIs Leader

Polymarket vs Kalshi vs Betfair vs Smarkets for "MLB: RBIs Leader" — live odds, fees and KYC side-by-side.

50% YES 50% NO Volume: $487K Liquidity: $50K Closes: 28 Sept 2026
Trade on Polymarket Alternative →
MLB: RBIs Leader

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket Alternative Pick
polygram.ink
 50% 50% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Polymarket Alternative →
Polymarket
polymarket.com
 50% 50% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Polymarket Alternative →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Open on Polymarket Alternative →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Open on Polymarket Alternative →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Open on Polymarket Alternative →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket Alternative.

Active sub-markets

Player AE—
Player AI—
Player AM—
Player AQ—
Pete Alonso2% YES98% NO
Eugenio Suárez2% YES98% NO

Market context

The MLB: RBIs Leader prediction market currently prices this outcome at 50% YES. This market will resolve according to the player who records the most runs batted in (RBIs) during the 2026 Major League Baseball regular season. In the event of a tie, this market will resolve accor…

Live Data & Statistics

The Polymarket order book signals 50% probability for "MLB: RBIs Leader".

YES 50% NO 50%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $487K.

Methodology

This page compares MLB: RBIs Leader specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Polymarket Alternative routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?
On Polymarket Alternative, 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.
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 Polymarket Alternative?
Zero. Polymarket Alternative routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
Do I need to KYC for this market?
Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Alternative triggers a quick verification flow that finishes in minutes.
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.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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