OITracker Cboe delayed data

Contract OI history

Back to T

Jun 17, 2027 EXPIRATION

T $40.00 Call

T270617C00040000

Latest saved OI8,896Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $40.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8,9014,4500 2026-10-02: 8,901 OI2026-10-05: 8,901 OI2026-10-06: 8,901 OI2026-10-07: 8,901 OI2026-10-08: 8,901 OI2026-10-09: 8,901 OI2026-10-14: 8,901 OI2026-10-15: 8,897 OI2026-10-16: 8,897 OI2026-10-21: 8,897 OI2026-10-23: 8,896 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8,896-1
Oct 21, 20268,8970
Oct 16, 20268,8970
Oct 15, 20268,897-4
Oct 14, 20268,9010
Oct 09, 20268,9010
Oct 08, 20268,9010
Oct 07, 20268,9010
Oct 06, 20268,9010
Oct 05, 20268,9010
Oct 02, 20268,901No prior observation