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MLB: Home Runs Leader

Which venue prices "MLB: Home Runs Leader" best? Direct comparison of Polymarket, Kalshi, Betfair and Smarkets.

Kyle Schwarber 48% Yordan Alvarez 21% Junior Caminero 18% Shea Langeliers 5% Volume: $714K Liquidity: $31K Closes: 28 Sept 2026
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MLB: Home Runs Leader

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi Alternative UK) Pick
polygram.ink (preferred broker)
 48% 52% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
 48% 52% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

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

OutcomeProbability
Kyle Schwarber48%
Yordan Alvarez21%
Junior Caminero18%
Shea Langeliers5%
Munetaka Murakami2%
Elly De La Cruz2%
Aaron Judge1%
Shohei Ohtani1%
Nick Kurtz1%
Matt Olson1%
James Wood1%
Ben Rice1%
Cal Raleigh0%
Eugenio Suarez0%
Juan Soto0%
Pete Alonso0%
Rafael Devers0%
George Springer0%
Giancarlo Stanton0%
Mike Trout0%
Manny Machado0%
Jordan Walker0%
Brandon Lowe0%
Sal Stewart0%
CJ Abrams0%
Player A0%
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%
Player AO0%
Player AP0%
Player AQ0%
Player AR0%
Player AS0%
Player AT0%
Player AU0%
Player AV0%
Player AW0%
Player AX0%
Player AY0%
Player AZ0%
Player BA0%
Player BB0%
Player BC0%
Player BD0%
Player BE0%
Player BF0%
Player BG0%
Player BH0%
Player BI0%
Player BJ0%
Player BK0%
Player BL0%
Player BM0%
Player BN0%
Player BO0%
Player BP0%
Player BQ0%
Player BR0%
Player BS0%
Player BT0%
Player BU0%
Player BV0%
Player BW0%
Player BX0%
Other0%

Market context

Based on real-money crowd forecasting, mlb: home runs leader stands at 48% likelihood according to current market consensus. This market will resolve according to the player who records the most home runs during the 2026 Major League Baseball regular season. In the event of a tie, this market will resol…

Methodology

This page compares MLB: Home Runs 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 Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

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.
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.
Which platform is accessible globally?
Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative UK has a different geo footprint and routes to Polymarket's order book at 0% fees.
Which platform supports Klarna/SOFORT?
Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative UK offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
Emma RobertsEmma RobertsFinancial JournalistandSarah MitchellSarah MitchellPolitical Markets Writer

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