OITracker Cboe delayed data

Contract OI history

Back to C

Nov 20, 2026 EXPIRATION

C $165.00 Call

C261120C00165000

Latest saved OI1,208Oct 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
C $165.00 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. 1,2086040 2026-10-02: 1,173 OI2026-10-05: 1,176 OI2026-10-06: 1,176 OI2026-10-07: 1,176 OI2026-10-08: 1,176 OI2026-10-09: 1,177 OI2026-10-13: 1,206 OI2026-10-14: 1,206 OI2026-10-15: 1,207 OI2026-10-16: 1,207 OI2026-10-21: 1,207 OI2026-10-23: 1,208 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,208+1
Oct 21, 20261,2070
Oct 16, 20261,2070
Oct 15, 20261,207+1
Oct 14, 20261,2060
Oct 13, 20261,206+29
Oct 09, 20261,177+1
Oct 08, 20261,1760
Oct 07, 20261,1760
Oct 06, 20261,1760
Oct 05, 20261,176+3
Oct 02, 20261,173No prior observation