OITracker Cboe delayed data

Contract OI history

Back to SO

Oct 23, 2026 EXPIRATION

SO $90.00 Call

SO261023C00090000

Latest saved OI2,202Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $90.00 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. 2,2061,1030 2026-10-02: 328 OI2026-10-05: 328 OI2026-10-06: 328 OI2026-10-07: 328 OI2026-10-08: 330 OI2026-10-09: 330 OI2026-10-13: 340 OI2026-10-14: 340 OI2026-10-15: 360 OI2026-10-16: 2,139 OI2026-10-21: 2,206 OI2026-10-23: 2,202 OI Oct 02, 2026Oct 23, 2026

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

SO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,202-4
Oct 21, 2026Viewing2,206+67
Oct 16, 20262,139+1,779
Oct 15, 2026360+20
Oct 14, 20263400
Oct 13, 2026340+10
Oct 09, 20263300
Oct 08, 2026330+2
Oct 07, 20263280
Oct 06, 20263280
Oct 05, 20263280
Oct 02, 2026328No prior observation