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Contract OI history

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Apr 21, 2028 EXPIRATION

T $27.00 Put

T280421P00027000

Latest saved OI161Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $27.00 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. 161800 2026-10-02: 160 OI2026-10-05: 160 OI2026-10-06: 160 OI2026-10-07: 160 OI2026-10-08: 160 OI2026-10-09: 160 OI2026-10-14: 160 OI2026-10-15: 160 OI2026-10-16: 160 OI2026-10-21: 161 OI2026-10-23: 161 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, 2026Viewing1610
Oct 21, 2026161+1
Oct 16, 20261600
Oct 15, 20261600
Oct 14, 20261600
Oct 09, 20261600
Oct 08, 20261600
Oct 07, 20261600
Oct 06, 20261600
Oct 05, 20261600
Oct 02, 2026160No prior observation