NHL 1st Period Winner is a sports series on Kalshi, with markets like “Philadelphia wins the 1st period”. The Kalshi Eye archive lists 377 of its markets and has 12 days of daily Parquet files from October 12, 2026 to October 23, 2026 (83 MB), with every order book change and trade.

Venue: Kalshi, series KXNHL1P
Category: Sports
Markets: 377 (332 settled, 45 open)
Files: 12 days, October 12, 2026 to October 23, 2026, 83 MB, 7,947,828 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 NHL 1st Period Winner 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 KXNHL1P trade on October 23, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-23/series=KXNHL1P/trades-KXNHL1P-2026-10-23.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

ESoccer Game (KXESOCCERGAME): 18,315 markets, 12 days of files
Men's College Basketball AP Poll Top Rank (KXNCAAMBTOPAPRANK): 6,718 markets, 12 days of files
NHL Goalscorer (KXNHLGOAL): 6,077 markets, 12 days of files
College Football Spread (KXNCAAFSPREAD): 5,304 markets, 12 days of files
Pro Hockey Points (KXNHLPTS): 4,822 markets, 12 days of files
Pro Football Receiving Yards (KXNFLRECYDS): 4,473 markets, 12 days of files

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