What will Costco say on their next earnings call? is a one-time mentions series on Kalshi, with markets like “What will Costco say during their next earnings call?”. The Kalshi Eye archive lists 42 of its markets and has 12 days of daily Parquet files from October 12, 2026 to October 23, 2026 (4 MB), with every order book change and trade.

Venue: Kalshi, series KXEARNINGSMENTIONCOST
Category: Mentions, one-time
Markets: 42 (21 settled, 21 open)
Files: 12 days, October 12, 2026 to October 23, 2026, 4 MB, 434,767 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 What will Costco say on their next earnings call? 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 KXEARNINGSMENTIONCOST 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=KXEARNINGSMENTIONCOST/trades-KXEARNINGSMENTIONCOST-2026-10-23.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

What will Trump say? (KXTRUMPMENTION): 580 markets, 12 days of files
Bernie says (KXBERNIEMENTION): 306 markets, 11 days of files
Trump Mention B (KXTRUMPMENTIONB): 263 markets, 10 days of files
Vance Says (KXVANCEMENTION): 252 markets, 11 days of files
What will trump say (KXTRUMPSAY): 179 markets, 12 days of files
World News Mention (KXWORLDNEWSMENTION): 178 markets, 5 days of files

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