OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

T $28.00 Put

T261023P00028000

Latest saved OI12Oct 23, 2026
Last change-21vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $28.00 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. 109540 2026-10-02: 108 OI2026-10-05: 108 OI2026-10-06: 108 OI2026-10-07: 108 OI2026-10-08: 108 OI2026-10-09: 109 OI2026-10-14: 2 OI2026-10-15: 1 OI2026-10-16: 0 OI2026-10-21: 33 OI2026-10-23: 12 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, 2026Viewing12-21
Oct 21, 202633+33
Oct 16, 20260-1
Oct 15, 20261-1
Oct 14, 20262-107
Oct 09, 2026109+1
Oct 08, 20261080
Oct 07, 20261080
Oct 06, 20261080
Oct 05, 20261080
Oct 02, 2026108No prior observation