NBA Player Steals + Blocks (KXNBASTOCK) historical data

NBA Player Steals + Blocks is a sports series on Kalshi, with markets like “Nickeil Alexander-Walker: 3+ steals and blocks”. The Kalshi Eye archive lists 371 of its markets and has 9 days of daily Parquet files from October 16, 2026 to October 24, 2026 (11 MB), with every order book change and trade.

• Venue: Kalshi, series KXNBASTOCK
• Category: Sports
• Markets: 371 (286 settled, 85 open)
• Files: 9 days, October 16, 2026 to October 24, 2026, 11 MB, 1,117,134 rows
• Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars), Trades

Open NBA Player Steals + Blocks in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Kalshi data page.

Reading the files

Every KXNBASTOCK trade on October 24, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-24/series=KXNBASTOCK/trades-KXNBASTOCK-2026-10-24.parquet'
ORDER BY ts_recv;

To test a strategy on this series, see How to backtest Kalshi markets.

Related Kalshi series

• NBA Player Steals (KXNBASTL): 662 markets, 9 days of files
• NBA Player Blocks (KXNBABLK): 439 markets, 9 days of files
• NBA Player Threes (KXNBA3PT): 1,733 markets, 9 days of files
• NBA Player Rebounds (KXNBAREB): 1,682 markets, 9 days of files
• NBA Player Points (KXNBAPTS): 1,575 markets, 9 days of files
• NBA Player Threes Protected (KXNBA3PTPROT): 1,556 markets, 3 days of files

Figures through October 24, 2026. All Kalshi series with pages are listed on Kalshi series.