Will the FDA approve drug? is a one-time science and technology series on Kalshi, with markets like “Will the FDA approve intismeran autogene (V940/mRNA-4157) with pembrolizumab (KEYTRUDA) for adjuvant treatment of completely resected stage IIB-IV melanoma before Jul 1, 2028?”. The Kalshi Eye archive lists 21 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (2 MB), with every order book change and trade.

Venue: Kalshi, series KXFDAAPPROVE
Category: Science and Technology, one-time
Markets: 21 (5 settled, 16 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 2 MB, 230,226 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 Will the FDA approve drug? 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 KXFDAAPPROVE 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=KXFDAAPPROVE/trades-KXFDAAPPROVE-2026-10-24.parquet'
ORDER BY ts_recv;

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

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