Oscar nominations for Best Supporting Actor is an annual entertainment series on Kalshi, with markets like “2027 Best Supporting Actor Oscar nominations?”. The Kalshi Eye archive lists 27 of its markets and has 12 days of daily Parquet files from October 12, 2026 to October 23, 2026 (15 MB), with every order book change and trade.

Venue: Kalshi, series KXOSCARNOMSUPACTO
Category: Entertainment, annual
Markets: 27 (0 settled, 27 open)
Files: 12 days, October 12, 2026 to October 23, 2026, 15 MB, 1,175,115 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 Oscar nominations for Best Supporting Actor 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 KXOSCARNOMSUPACTO 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=KXOSCARNOMSUPACTO/trades-KXOSCARNOMSUPACTO-2026-10-23.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Artist Yearly Streams (KXARTISTSTREAMSY): 897 markets, 12 days of files
Highest daily view count this week (KXYTVIEWSW): 732 markets, 12 days of files
Critics Choice Nominees (KXCRITICSCHOICENOM): 498 markets, 12 days of files
Rotten Tomatoes Scores (KXRT): 438 markets, 12 days of files
How many streams will album have (KXALBUMSTREAMS): 405 markets, 12 days of files
How many album equivalent will album sell (KXALBUMEQUIV): 340 markets, 12 days of files

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