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Contract OI history

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Apr 21, 2028 EXPIRATION

T $27.00 Call

T280421C00027000

Latest saved OI780Oct 23, 2026
Last change-82vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $27.00 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. 8784390 2026-10-02: 871 OI2026-10-05: 871 OI2026-10-06: 874 OI2026-10-07: 874 OI2026-10-08: 871 OI2026-10-09: 878 OI2026-10-14: 865 OI2026-10-15: 865 OI2026-10-16: 865 OI2026-10-21: 862 OI2026-10-23: 780 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, 2026Viewing780-82
Oct 21, 2026862-3
Oct 16, 20268650
Oct 15, 20268650
Oct 14, 2026865-13
Oct 09, 2026878+7
Oct 08, 2026871-3
Oct 07, 20268740
Oct 06, 2026874+3
Oct 05, 20268710
Oct 02, 2026871No prior observation