OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BCAX $22.50 Put

BCAX270115P00022500

Latest saved OI511Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BCAX $22.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5112550 2026-10-08: 511 OI2026-10-09: 511 OI2026-10-13: 511 OI2026-10-14: 511 OI2026-10-16: 511 OI2026-10-20: 511 OI2026-10-23: 511 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BCAX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5110
Oct 20, 20265110
Oct 16, 20265110
Oct 14, 20265110
Oct 13, 20265110
Oct 09, 20265110
Oct 08, 2026511No prior observation