Question 1

Where do these MLB odds come from?

Accepted Answer

Live prices from the major US sportsbooks, alongside prediction markets (Kalshi and Polymarket) — exchanges where people trade on game outcomes, which help us sanity-check every price.

Question 2

How current are the prices?

Accepted Answer

The board refreshes about once a minute. Prices can still move between refreshes, so always confirm the number at the sportsbook before you bet.

MLB odds by game