Treasury spread 10y2y on date is a one-time financials series on Kalshi, with markets like “Will daily 10-Year Treasury Constant Maturity minus the 2-year Treasury Constant Maturity for December 31, 2026 be above -30bps?”. The Kalshi Eye archive lists 11 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (872 KB), with every order book change and trade.

Venue: Kalshi, series KX10Y2YDATE
Category: Financials, one-time
Markets: 11 (0 settled, 11 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 872 KB, 140,285 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 Treasury spread 10y2y on date 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 KX10Y2YDATE 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=KX10Y2YDATE/trades-KX10Y2YDATE-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

US 7Y Treasury yield hourly (KX7YRRATEH): 1,963 markets, 7 days of files
US 5Y Treasury yield hourly (KX5YRRATEH): 1,850 markets, 7 days of files
US 30Y Treasury yield hourly (KX30YRRATEH): 1,687 markets, 7 days of files
US 2Y Treasury yield hourly (KX2YRRATEH): 1,671 markets, 7 days of files
US 10Y Treasury yield hourly (KX10YRRATEH): 1,603 markets, 7 days of files
Elon Musk net worth on [date] (KXMUSKNW): 49 markets, 13 days of files

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