OITracker Cboe delayed data

Contract OI history

Back to S

Oct 23, 2026 EXPIRATION

S $28.00 Call

S261023C00028000

Latest saved OI74Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $28.00 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. 79390 2026-10-02: 36 OI2026-10-05: 41 OI2026-10-06: 47 OI2026-10-07: 67 OI2026-10-08: 67 OI2026-10-09: 76 OI2026-10-13: 79 OI2026-10-14: 79 OI2026-10-15: 76 OI2026-10-16: 76 OI2026-10-21: 76 OI2026-10-23: 74 OI Oct 02, 2026Oct 23, 2026

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

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing74-2
Oct 21, 2026760
Oct 16, 2026760
Oct 15, 202676-3
Oct 14, 2026790
Oct 13, 202679+3
Oct 09, 202676+9
Oct 08, 2026670
Oct 07, 202667+20
Oct 06, 202647+6
Oct 05, 202641+5
Oct 02, 202636No prior observation