OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

T $25.00 Put

T261023P00025000

Latest saved OI13Oct 23, 2026
Last change-422vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $25.00 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. 4352170 2026-10-02: 347 OI2026-10-05: 347 OI2026-10-06: 340 OI2026-10-07: 340 OI2026-10-08: 365 OI2026-10-09: 341 OI2026-10-14: 340 OI2026-10-15: 327 OI2026-10-16: 380 OI2026-10-21: 435 OI2026-10-23: 13 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, 2026Viewing13-422
Oct 21, 2026435+55
Oct 16, 2026380+53
Oct 15, 2026327-13
Oct 14, 2026340-1
Oct 09, 2026341-24
Oct 08, 2026365+25
Oct 07, 20263400
Oct 06, 2026340-7
Oct 05, 20263470
Oct 02, 2026347No prior observation