OITracker Cboe delayed data

Contract OI history

Back to GEN

Nov 20, 2026 EXPIRATION

GEN $28.00 Call

GEN261120C00028000

Latest saved OI1,845Oct 23, 2026
Last change-6vs 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. 1,8519250 2026-10-09: 126 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 1,692 OI2026-10-16: 1,835 OI2026-10-21: 1,851 OI2026-10-23: 1,845 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, 2026Viewing1,845-6
Oct 21, 20261,851+16
Oct 16, 20261,835+143
Oct 15, 20261,692+1,566
Oct 14, 20261260
Oct 13, 20261260
Oct 09, 2026126No prior observation