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Contract OI history

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Dec 18, 2026 EXPIRATION

T $28.00 Put

T261218P00028000

Latest saved OI3Oct 23, 2026
Last change-2vs 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. 142710 2026-10-02: 139 OI2026-10-05: 139 OI2026-10-06: 139 OI2026-10-07: 139 OI2026-10-08: 142 OI2026-10-09: 132 OI2026-10-14: 5 OI2026-10-15: 5 OI2026-10-16: 5 OI2026-10-21: 5 OI2026-10-23: 3 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, 2026Viewing3-2
Oct 21, 202650
Oct 16, 202650
Oct 15, 202650
Oct 14, 20265-127
Oct 09, 2026132-10
Oct 08, 2026142+3
Oct 07, 20261390
Oct 06, 20261390
Oct 05, 20261390
Oct 02, 2026139No prior observation