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Contract OI history

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Oct 23, 2026 EXPIRATION

T $21.50 Put

T261023P00021500

Latest saved OI3,299Oct 23, 2026
Last change+1,496vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $21.50 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. 3,2991,6490 2026-10-02: 26 OI2026-10-05: 26 OI2026-10-06: 48 OI2026-10-07: 48 OI2026-10-08: 58 OI2026-10-09: 1,492 OI2026-10-14: 1,587 OI2026-10-15: 1,590 OI2026-10-16: 1,518 OI2026-10-21: 1,803 OI2026-10-23: 3,299 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, 2026Viewing3,299+1,496
Oct 21, 20261,803+285
Oct 16, 20261,518-72
Oct 15, 20261,590+3
Oct 14, 20261,587+95
Oct 09, 20261,492+1,434
Oct 08, 202658+10
Oct 07, 2026480
Oct 06, 202648+22
Oct 05, 2026260
Oct 02, 202626No prior observation