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Contract OI history

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Apr 21, 2028 EXPIRATION

T $15.00 Put

T280421P00015000

Latest saved OI3,757Oct 23, 2026
Last change+8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $15.00 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. 3,7571,8780 2026-10-02: 3,721 OI2026-10-05: 3,722 OI2026-10-06: 3,722 OI2026-10-07: 3,722 OI2026-10-08: 3,723 OI2026-10-09: 3,726 OI2026-10-14: 3,749 OI2026-10-15: 3,749 OI2026-10-16: 3,749 OI2026-10-21: 3,749 OI2026-10-23: 3,757 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, 2026Viewing3,757+8
Oct 21, 20263,7490
Oct 16, 20263,7490
Oct 15, 20263,7490
Oct 14, 20263,749+23
Oct 09, 20263,726+3
Oct 08, 20263,723+1
Oct 07, 20263,7220
Oct 06, 20263,7220
Oct 05, 20263,722+1
Oct 02, 20263,721No prior observation