OITracker Cboe delayed data

Contract OI history

Back to BIOA

Jan 15, 2027 EXPIRATION

BIOA $7.50 Call

BIOA270115C00007500

Latest saved OI56Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BIOA $7.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 56280 2026-10-08: 53 OI2026-10-09: 53 OI2026-10-13: 53 OI2026-10-14: 53 OI2026-10-16: 53 OI2026-10-20: 53 OI2026-10-23: 56 OI Oct 08, 2026Oct 23, 2026

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

BIOA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing56+3
Oct 20, 2026530
Oct 16, 2026530
Oct 14, 2026530
Oct 13, 2026530
Oct 09, 2026530
Oct 08, 202653No prior observation