OITracker Cboe delayed data

Contract OI history

Back to BIOA

Jan 15, 2027 EXPIRATION

BIOA $5.00 Put

BIOA270115P00005000

Latest saved OI157Oct 23, 2026
Last change+61vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BIOA $5.00 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. 157780 2026-10-08: 20 OI2026-10-09: 20 OI2026-10-13: 20 OI2026-10-14: 20 OI2026-10-16: 45 OI2026-10-20: 96 OI2026-10-23: 157 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, 2026Viewing157+61
Oct 20, 202696+51
Oct 16, 202645+25
Oct 14, 2026200
Oct 13, 2026200
Oct 09, 2026200
Oct 08, 202620No prior observation