MLB: Team to win 100+ games

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Active sub-markets

Market context

The 2026 MLB regular season runs 162 games, and this market resolves affirmatively only if the listed team reaches 100 wins by 28 September 2026. The 3% crowd probability reflects the rarity of century-mark seasons across baseball history. Since 1901, only 19 teams have achieved 100+ wins in a single season, with the threshold becoming marginally more attainable in recent decades due to expanded playoff formats and increased payroll concentration. The 2023 Houston Astros (105 wins) and 2022 Los Angeles Dodgers (111 wins) represent the most recent examples, though even elite franchises fail to clear this bar in most seasons. Historical data from Baseball Reference shows that teams winning 100+ games typically feature top-five payrolls, sustained injury avoidance, and above-average performance across multiple statistical categories—a combination rarely sustained across 162 contests.

Traders should monitor spring training performance, opening-day roster construction, and mid-season trade deadline activity through July 2026. Injuries to key position players or starting pitchers materially compress win probability, as does early-season underperformance that creates an insurmountable deficit by mid-August. Recent precedent matters: teams trailing by 15+ games in late August have never recovered to 100 wins. Contract announcements and coaching changes during the 2025–2026 off-season will signal front-office commitment to contention. Settlement occurs post-season on the official MLB standings, with no ambiguity regarding tiebreaker games, which count toward the regular-season total. The market's current 3% valuation suggests the listed team enters 2026 as a mid-tier contender rather than a consensus pennant favourite.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, 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.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram 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.