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Contract OI history

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Jan 19, 2029 EXPIRATION

T $18.00 Put

T290119P00018000

Latest saved OI182Oct 23, 2026
Last change+26vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $18.00 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. 182910 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 101 OI2026-10-07: 101 OI2026-10-08: 101 OI2026-10-09: 144 OI2026-10-14: 147 OI2026-10-15: 147 OI2026-10-16: 149 OI2026-10-21: 156 OI2026-10-23: 182 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, 2026Viewing182+26
Oct 21, 2026156+7
Oct 16, 2026149+2
Oct 15, 20261470
Oct 14, 2026147+3
Oct 09, 2026144+43
Oct 08, 20261010
Oct 07, 20261010
Oct 06, 2026101+68
Oct 05, 2026330
Oct 02, 202633No prior observation