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Contract OI history

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Oct 23, 2026 EXPIRATION

T $26.50 Put

T261023P00026500

Latest saved OI3Oct 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 $26.50 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. 44220 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 31 OI2026-10-07: 31 OI2026-10-08: 31 OI2026-10-09: 32 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 1 OI2026-10-21: 2 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+1
Oct 21, 20262+1
Oct 16, 20261-26
Oct 15, 2026270
Oct 14, 202627-5
Oct 09, 202632+1
Oct 08, 2026310
Oct 07, 2026310
Oct 06, 202631-13
Oct 05, 2026440
Oct 02, 202644No prior observation