OITracker Cboe delayed data

Contract OI history

Back to O

Jan 19, 2029 EXPIRATION

O $40.00 Call

O290119C00040000

Latest saved OI14Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1780 2026-10-02: 13 OI2026-10-05: 13 OI2026-10-06: 14 OI2026-10-07: 14 OI2026-10-08: 15 OI2026-10-09: 15 OI2026-10-13: 17 OI2026-10-14: 15 OI2026-10-15: 15 OI2026-10-16: 15 OI2026-10-21: 15 OI2026-10-23: 14 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing14-1
Oct 21, 2026150
Oct 16, 2026150
Oct 15, 2026150
Oct 14, 202615-2
Oct 13, 202617+2
Oct 09, 2026150
Oct 08, 202615+1
Oct 07, 2026140
Oct 06, 202614+1
Oct 05, 2026130
Oct 02, 202613No prior observation