OITracker Cboe delayed data

Contract OI history

Back to CBIO

Feb 19, 2027 EXPIRATION

CBIO $20.00 Call

CBIO270219C00020000

Latest saved OI1,914Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CBIO $20.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,9149570 2026-10-09: 1,914 OI2026-10-13: 1,914 OI2026-10-14: 1,914 OI2026-10-16: 1,914 OI2026-10-20: 1,914 OI2026-10-23: 1,914 OI Oct 09, 2026Oct 23, 2026

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

CBIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,9140
Oct 20, 20261,9140
Oct 16, 20261,9140
Oct 14, 20261,9140
Oct 13, 20261,9140
Oct 09, 20261,914No prior observation