OITracker Cboe delayed data

Contract OI history

Back to GEN

Jan 15, 2027 EXPIRATION

GEN $23.00 Put

GEN270115P00023000

Latest saved OI1,270Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GEN $23.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,2706350 2026-10-09: 42 OI2026-10-13: 101 OI2026-10-14: 1,018 OI2026-10-15: 1,268 OI2026-10-16: 1,268 OI2026-10-21: 1,269 OI2026-10-23: 1,270 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, 2026Viewing1,270+1
Oct 21, 20261,269+1
Oct 16, 20261,2680
Oct 15, 20261,268+250
Oct 14, 20261,018+917
Oct 13, 2026101+59
Oct 09, 202642No prior observation