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Contract OI history

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Sep 17, 2027 EXPIRATION

T $20.00 Put

T270917P00020000

Latest saved OI915Oct 23, 2026
Last change+62vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $20.00 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. 9154570 2026-10-02: 466 OI2026-10-05: 484 OI2026-10-06: 564 OI2026-10-07: 564 OI2026-10-08: 564 OI2026-10-09: 787 OI2026-10-14: 788 OI2026-10-15: 789 OI2026-10-16: 790 OI2026-10-21: 853 OI2026-10-23: 915 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, 2026Viewing915+62
Oct 21, 2026853+63
Oct 16, 2026790+1
Oct 15, 2026789+1
Oct 14, 2026788+1
Oct 09, 2026787+223
Oct 08, 20265640
Oct 07, 20265640
Oct 06, 2026564+80
Oct 05, 2026484+18
Oct 02, 2026466No prior observation