NBA Win Margin (KXNBAWINMARGIN) historical data

NBA Win Margin is a sports series on Kalshi, with markets like “Los Angeles L wins by 21 or more points”. The Kalshi Eye archive lists 336 of its markets and has 9 days of daily Parquet files from October 16, 2026 to October 24, 2026 (46 MB), with every order book change and trade.

• Venue: Kalshi, series KXNBAWINMARGIN
• Category: Sports
• Markets: 336 (280 settled, 56 open)
• Files: 9 days, October 16, 2026 to October 24, 2026, 46 MB, 5,281,969 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 Win Margin 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 KXNBAWINMARGIN 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=KXNBAWINMARGIN/trades-KXNBAWINMARGIN-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

• Pro Football Win Margin (KXNFLWINMARGIN): 294 markets, 13 days of files
• NBA Head to Head Win Total (KXNBAH2HWINS): 30 markets, 13 days of files
• NBA Spread (KXNBASPREAD): 2,497 markets, 13 days of files
• NBA Total (KXNBATOTAL): 2,261 markets, 13 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

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