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MLB: Doubles Leader

"MLB: Doubles Leader" on Polymarket, Kalshi and Is Kalshi Legal in California — what traders need to know about platform choice, KYC and tax law.

James Wood 27% Josh Jung 25% Kevin McGonigle 19% Willy Adames 10% Volume: $1.1M Liquidity: $26K Closes: 11 Oct 2026
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MLB: Doubles Leader

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legal in California) Pick
polygram.ink (preferred broker)
 27% 73% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
 27% 73% 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
James Wood27%
Josh Jung25%
Kevin McGonigle19%
Willy Adames10%
Matt Olson10%
Bobby Witt Jr.8%
Freddie Freeman7%
Ernie Clement5%
Ezequiel Tovar4%
Nico Hoerner3%
Mauricio Dubón3%
Taylor Ward2%
Bo Bichette2%
Bryan Reynolds2%
Francisco Lindor2%
Vladimir Guerrero Jr.2%
Gavin Sheets1%
Casey Schmitt1%
Pete Alonso1%
Jarren Duran1%
Maikel Garcia1%
Pete Crow-Armstrong1%
Salvador Perez1%
Bryce Harper1%
Ian Happ1%
Juan Soto1%
George Springer1%
Corbin Carroll1%
Riley Greene1%
Colt Keith0%
Christian Walker0%
Adley Rutschman0%
Rhys Hoskins0%
Gabriel Moreno0%
Brent Rooker0%
CJ Abrams0%
Shohei Ohtani0%
Aaron Judge0%
Andy Pages0%
Nick Kurtz0%
Yordan Alvarez0%
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%
Other0%

Market context

Traders on decentralised prediction markets give 27% probability to mlb: doubles leader. This market will resolve according to the player who hits the most doubles during the 2026 Major League Baseball regular season. In the event of a tie, this market will resolve according to the offic…

Methodology

This overview of MLB: Doubles Leader reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.

Resolution & payout

On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.

FAQ

Do I need to KYC for Is Kalshi Legal in California?
Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
How are winnings taxed?
Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
Can I trade anonymously?
Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legal in California stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
What happens during a tax audit?
You're responsible for documenting your trades. Is Kalshi Legal in California exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Is there a withdrawal cap?
No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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