MLB: Team to win 100+ games

Platform comparison

Active sub-markets

Market context

A Major League Baseball team must accumulate 100 wins during the 2026 regular season for this market to resolve affirmatively. The 162-game schedule runs from late March through late September, with any tiebreaker games counting toward the final win total. Once mathematical elimination occurs—when a team cannot reach 100 wins regardless of remaining results—the market resolves to No.

Reaching 100 wins remains a rare achievement in modern baseball. Since 2010, only 18 instances across all 30 teams have occurred, with an average of roughly 2.3 per season league-wide. The 2023 Houston Astros (105 wins) and 2022 Los Angeles Dodgers (111 wins) represent recent benchmarks, though teams finishing with 99 wins are far more common than those exceeding 100. Historical context suggests that 3% implied probability reflects genuine scarcity: a team must sustain excellence across a full season whilst avoiding significant injury or performance collapse.

Traders should monitor spring training performance and any notable roster transactions announced before March 2026. Coaching staff changes, particularly managerial appointments, can signal organisational direction and affect win projections. Early-season form through May and June will prove critical; teams trailing significantly by mid-summer face steeper mathematical paths to 100 wins. Beat reporters covering individual franchises typically publish preseason win-total forecasts in February, offering calibrated expectations against which actual performance can be measured. Injury updates to star players and trade deadline activity in late July will provide additional data points for reassessing probabilities as the season progresses.

Methodology

We track MLB: Team to win 100+ games on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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 PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.