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Contract OI history

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Mar 19, 2027 EXPIRATION

T $21.00 Call

T270319C00021000

Latest saved OI1,085Oct 23, 2026
Last change+71vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $21.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0855420 2026-10-02: 916 OI2026-10-05: 911 OI2026-10-06: 911 OI2026-10-07: 911 OI2026-10-08: 911 OI2026-10-09: 1,026 OI2026-10-14: 1,026 OI2026-10-15: 1,026 OI2026-10-16: 1,026 OI2026-10-21: 1,014 OI2026-10-23: 1,085 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, 2026Viewing1,085+71
Oct 21, 20261,014-12
Oct 16, 20261,0260
Oct 15, 20261,0260
Oct 14, 20261,0260
Oct 09, 20261,026+115
Oct 08, 20269110
Oct 07, 20269110
Oct 06, 20269110
Oct 05, 2026911-5
Oct 02, 2026916No prior observation