MLB Postseason: SB Leader is a sports series on Polymarket, with markets like “Will Jazz Chisholm Jr. lead the 2026 MLB Postseason in stolen bases?”. The Kalshi Eye archive lists 13 of its markets and has 10 days of daily Parquet files from October 15, 2026 to October 24, 2026, with order books, trades and on-chain fills.
- Venue: Polymarket
- Category: Sports
- Markets: 13 (6 settled, 7 open)
- Files: 10 days, October 15, 2026 to October 24, 2026
- Datasets: Polymarket order book, Polymarket trades, Polymarket on-chain fills, Polymarket markets
Open MLB Postseason: SB Leader in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Polymarket data page.
Reading the files
Polymarket files are split by market, so a series spans several files a day. Pick the days in Markets or Downloads, or list them with the files API. How each file reads is on the Polymarket page.
Related Polymarket series
- MLB Postseason: Runs Leader: 11 markets, 10 days of files
- MLB Postseason: Strikeout Leader: 11 markets, 10 days of files
- MLB Postseason: Hit Leader: 10 markets, 10 days of files
- MLB Postseason: Home Run Leader: 10 markets, 10 days of files
- MLB Postseason: World Series MVP: 40 markets, 10 days of files
- MLB: 1,045 markets, 10 days of files
Figures through October 24, 2026. All Polymarket series with pages are listed on Polymarket series.