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Kalshi Eye

BNB Up or Down 5m: Polymarket historical data

BNB Up or Down 5m is a 5-minute crypto series on Polymarket, with markets like “BNB Up or Down - October 25, 7:35PM-7:40PM ET”. The Kalshi Eye archive lists 2,468 of its markets and has 10 days of daily Parquet files from October 15, 2026 to October 24, 2026, with order books, trades and on-chain fills.

Open BNB Up or Down 5m in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Polymarket data page.

Reading the files

Polymarket files are split by market, so a series spans several files a day. Pick the days in Markets or Downloads, or list them with the files API. How each file reads is on the Polymarket page.

Related Polymarket series

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