Bank Of Japan policy interest rate decision is an economics series on Kalshi, with markets like “Will the Bank of Japan Maintain current rate at the September 2026 Monetary Policy Meeting?”. The Kalshi Eye archive lists 15 of its markets and has 12 days of daily Parquet files from October 12, 2026 to October 23, 2026 (13 MB), with every order book change and trade.

Venue: Kalshi, series KXCBDECISIONJAPAN
Category: Economics
Markets: 15 (5 settled, 10 open)
Files: 12 days, October 12, 2026 to October 23, 2026, 13 MB, 949,655 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 Bank Of Japan policy interest rate decision 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 KXCBDECISIONJAPAN 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=KXCBDECISIONJAPAN/trades-KXCBDECISIONJAPAN-2026-10-23.parquet'
ORDER BY ts_recv;

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

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