OITracker Cboe delayed data

Contract OI history

Back to T

Oct 23, 2026 EXPIRATION

T $23.50 Put

T261023P00023500

Latest saved OI3,486Oct 23, 2026
Last change-259vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $23.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,7451,8720 2026-10-02: 300 OI2026-10-05: 279 OI2026-10-06: 313 OI2026-10-07: 313 OI2026-10-08: 305 OI2026-10-09: 410 OI2026-10-14: 423 OI2026-10-15: 1,888 OI2026-10-16: 2,358 OI2026-10-21: 3,745 OI2026-10-23: 3,486 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, 2026Viewing3,486-259
Oct 21, 20263,745+1,387
Oct 16, 20262,358+470
Oct 15, 20261,888+1,465
Oct 14, 2026423+13
Oct 09, 2026410+105
Oct 08, 2026305-8
Oct 07, 20263130
Oct 06, 2026313+34
Oct 05, 2026279-21
Oct 02, 2026300No prior observation