OITracker Cboe delayed data

Contract OI history

Back to GENB

Nov 20, 2026 EXPIRATION

GENB $17.50 Call

GENB261120C00017500

Latest saved OI229Oct 23, 2026
Last change+34vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GENB $17.50 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. 2291140 2026-10-08: 4 OI2026-10-09: 4 OI2026-10-13: 160 OI2026-10-14: 160 OI2026-10-16: 164 OI2026-10-20: 195 OI2026-10-23: 229 OI Oct 08, 2026Oct 23, 2026

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

GENB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026229+34
Oct 20, 2026Viewing195+31
Oct 16, 2026164+4
Oct 14, 20261600
Oct 13, 2026160+156
Oct 09, 202640
Oct 08, 20264No prior observation