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Contract OI history

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Dec 18, 2026 EXPIRATION

T $19.00 Put

T261218P00019000

Latest saved OI1,291Oct 23, 2026
Last change+65vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $19.00 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. 1,2916450 2026-10-02: 1,195 OI2026-10-05: 1,196 OI2026-10-06: 1,196 OI2026-10-07: 1,196 OI2026-10-08: 1,191 OI2026-10-09: 1,261 OI2026-10-14: 1,263 OI2026-10-15: 1,273 OI2026-10-16: 1,273 OI2026-10-21: 1,226 OI2026-10-23: 1,291 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, 2026Viewing1,291+65
Oct 21, 20261,226-47
Oct 16, 20261,2730
Oct 15, 20261,273+10
Oct 14, 20261,263+2
Oct 09, 20261,261+70
Oct 08, 20261,191-5
Oct 07, 20261,1960
Oct 06, 20261,1960
Oct 05, 20261,196+1
Oct 02, 20261,195No prior observation