OITracker Cboe delayed data

Contract OI history

Back to GEN

Apr 16, 2027 EXPIRATION

GEN $28.00 Call

GEN270416C00028000

Latest saved OI23Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GEN $28.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 23110 2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 5 OI2026-10-15: 5 OI2026-10-16: 6 OI2026-10-21: 6 OI2026-10-23: 23 OI Oct 09, 2026Oct 23, 2026

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

GEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing23+17
Oct 21, 202660
Oct 16, 20266+1
Oct 15, 202650
Oct 14, 20265+2
Oct 13, 202630
Oct 09, 20263No prior observation