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Contract OI history

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Nov 13, 2026 EXPIRATION

T $21.50 Put

T261113P00021500

Latest saved OI230Oct 23, 2026
Last change+19vs 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. 2301150 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 24 OI2026-10-14: 209 OI2026-10-15: 212 OI2026-10-16: 213 OI2026-10-21: 211 OI2026-10-23: 230 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, 2026Viewing230+19
Oct 21, 2026211-2
Oct 16, 2026213+1
Oct 15, 2026212+3
Oct 14, 2026209+185
Oct 09, 202624+23
Oct 08, 202610
Oct 07, 202610
Oct 06, 20261+1
Oct 05, 202600
Oct 02, 20260No prior observation