NASCAR Top 20 Finishers is a sports series on Kalshi, with markets like “Cup Series: John Hunter Nemechek to finish in the top 20”. The Kalshi Eye archive lists 196 of its markets and has 11 days of daily Parquet files from October 12, 2026 to October 24, 2026 (7 MB), with every order book change and trade.

Venue: Kalshi, series KXNASCARTOP20
Category: Sports
Markets: 196 (156 settled, 40 open)
Files: 11 days, October 12, 2026 to October 24, 2026, 7 MB, 694,040 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 NASCAR Top 20 Finishers 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 KXNASCARTOP20 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=KXNASCARTOP20/trades-KXNASCARTOP20-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

NASCAR Top 10 Finishers (KXNASCARTOP10): 388 markets, 11 days of files
NASCAR Top 5 Finishers (KXNASCARTOP5): 196 markets, 11 days of files
Titled Tuesday Chess Top Finishers (KXTITLEDTUESTOP): 719 markets, 13 days of files
NASCAR Podium Finishers (KXNASCARTOP3): 388 markets, 11 days of files
PGA Round 3 Top 10 Finishers (KXPGAR3TOP10): 200 markets, 3 days of files
NASCAR Top Team (KXNASCARTOPTEAM): 130 markets, 11 days of files

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