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Contract OI history

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Jan 21, 2028 EXPIRATION

T $40.00 Call

T280121C00040000

Latest saved OI6,620Oct 23, 2026
Last change+241vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $40.00 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. 6,6203,3100 2026-10-02: 6,049 OI2026-10-05: 6,174 OI2026-10-06: 6,191 OI2026-10-07: 6,191 OI2026-10-08: 6,351 OI2026-10-09: 6,377 OI2026-10-14: 6,379 OI2026-10-15: 6,378 OI2026-10-16: 6,379 OI2026-10-21: 6,379 OI2026-10-23: 6,620 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, 2026Viewing6,620+241
Oct 21, 20266,3790
Oct 16, 20266,379+1
Oct 15, 20266,378-1
Oct 14, 20266,379+2
Oct 09, 20266,377+26
Oct 08, 20266,351+160
Oct 07, 20266,1910
Oct 06, 20266,191+17
Oct 05, 20266,174+125
Oct 02, 20266,049No prior observation