OITracker Cboe delayed data

Contract OI history

Back to OBIO

Nov 20, 2026 EXPIRATION

OBIO $5.00 Call

OBIO261120C00005000

Latest saved OI296Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
OBIO $5.00 call open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 7303650 2026-10-07: 730 OI2026-10-09: 730 OI2026-10-13: 519 OI2026-10-14: 345 OI2026-10-16: 293 OI2026-10-20: 293 OI2026-10-23: 296 OI Oct 07, 2026Oct 23, 2026

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

OBIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026296+3
Oct 20, 2026Viewing2930
Oct 16, 2026293-52
Oct 14, 2026345-174
Oct 13, 2026519-211
Oct 09, 20267300
Oct 07, 2026730No prior observation