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MLB Articles

5 posts tagged “mlb”.

mlb historical-data polymarket

First Insight: What's In the $9 MLB Matched Book Tryout

We ran the numbers on our own $9 MLB matched-book tryout: cross-venue spread, a shared capture gap, and why a settlement-label check isn't a prediction.

kalshi historical-data tennis

Per-Sport Kalshi Order-Book Slices: Buy Just the Tennis (or MLB, or WNBA, or Esports) You Need

Buy just the Kalshi order-book slice you study: ATP/WTA/ITF tennis, MLB, WNBA, or LoL/CS2 esports — $39 each, same live capture as the full tape.

kalshi historical-data market-microstructure

Kalshi Doesn't Keep Its Order-Book History. We Recorded It — Depth and Trade Tape Together

Kalshi L2 depth (up to 20 levels/side) plus a deduplicated trade tape with taker side, from a venue that doesn't retain its book — sold as dated vintages...

polymarket kalshi market-microstructure

Polymarket Leads Kalshi by ~30 Seconds: A Lead-Lag Study on Time-Aligned MLB Order Books

We time-aligned sampled Kalshi and Polymarket books on the same MLB games for 16 days. Polymarket led on all 16 and divergences half-closed in ~34...

mlb backtesting calibration

We Backtested Our MLB Model on the 2025 Postseason. It Hit 59.6% Across 47 Games.

Our MLB model replayed the entire 2025 postseason on pre-playoff data: 28 of 47 correct (59.6%). Full breakdown, including every missed ALCS pick.