ATP #1 Ranked Player is a sports series on Kalshi, with markets like “Who will be the #1 ranked ATP men's singles player on Dec 31, 2026?”. The Kalshi Eye archive lists 12 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (1 MB), with every order book change and trade.

Venue: Kalshi, series KXATP1RANK
Category: Sports
Markets: 12 (0 settled, 12 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 1 MB, 92,978 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 ATP #1 Ranked Player 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 KXATP1RANK 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=KXATP1RANK/trades-KXATP1RANK-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Top 5 Ranked Player ATP (KXATPT5RANK): 16 markets, 13 days of files
Will Player Qualify for ATP Finals? (KXATPFINALSQUAL): 26 markets, 13 days of files
Pro Football Player Receptions (KXNFLREC): 3,673 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
NBA Player Points (KXNBAPTS): 1,575 markets, 9 days of files

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