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MLB: Batting Average Leader

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

Luis Arraez 23% Yordan Alvarez 7% Otto Lopez 6% Yandy Díaz 5% Volume: $1.4M Liquidity: $45K Closes: 28 Sept 2026
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MLB: Batting Average Leader

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Robinhood Prediction Markets) Pick
polygram.ink (preferred broker)
 23% 77% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
 23% 77% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
Luis Arraez23%
Yordan Alvarez7%
Otto Lopez6%
Yandy Díaz5%
Vladimir Guerrero Jr.3%
Aaron Judge2%
George Springer1%
Bobby Witt Jr.1%
Freddie Freeman1%
Alec Burleson1%
Andy Pages1%
CJ Abrams1%
Jordan Walker1%
Sal Stewart1%
Bo Bichette0%
Jacob Wilson0%
Jeremy Peña0%
Trea Turner0%
Nico Hoerner0%
Josh Naylor0%
Geraldo Perdomo0%
Wilyer Abreu0%
Mauricio Dubón0%
Ben Rice0%
Shea Langeliers0%
Drake Baldwin0%
Brandon Nimmo0%
Oneil Cruz0%
Corbin Carroll0%
Giancarlo Stanton0%
Riley Greene0%
Player B0%
Player C0%
Player D0%
Player E0%
Player F0%
Player G0%
Player H0%
Player I0%
Player J0%
Player K0%
Player L0%
Player M0%
Player N0%
Player O0%
Player P0%
Player Q0%
Player R0%
Player S0%
Player T0%
Player U0%
Player V0%
Player W0%
Player X0%
Player Y0%
Player Z0%
Player AA0%
Player AB0%
Player AC0%
Player AD0%
Player AE0%
Player AF0%
Player AG0%
Player AH0%
Player AI0%
Player AJ0%
Player AK0%
Player AL0%
Player AM0%
Player AN0%
Other0%

Market context

MLB: Batting Average Leader — current market-implied probability: 23%. This market will resolve according to the player who records the highest batting average among qualified players during the 2026 Major League Baseball regular season. In the event of a tie, this mark…

Methodology

This page compares MLB: Batting Average Leader specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, 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). On-chain settlement clears in minutes — the fastest payout path of the four.

FAQ

Polymarket vs Kalshi — which is better?
Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
What does Polymarket cost vs Kalshi?
Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
Which platform has the deepest liquidity?
Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
What about Smarkets as an alternative?
Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
Are all these platforms regulated?
No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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