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Kalshi Eye

1st Half Spread (KXEFLCUP1HSPREAD) historical data

1st Half Spread price history on Kalshi: 94 markets, every order book change and trade since October 26, 2026.

For developers

Every KXEFLCUP1HSPREAD trade on October 28, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-28/series=KXEFLCUP1HSPREAD/trades-KXEFLCUP1HSPREAD-2026-10-28.parquet'
ORDER BY ts_recv;

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