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Contract OI history

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Dec 18, 2026 EXPIRATION

T $21.00 Call

T261218C00021000

Latest saved OI2,943Oct 23, 2026
Last change+41vs 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. 2,9431,4710 2026-10-02: 2,835 OI2026-10-05: 2,835 OI2026-10-06: 2,833 OI2026-10-07: 2,833 OI2026-10-08: 2,833 OI2026-10-09: 2,651 OI2026-10-14: 2,669 OI2026-10-15: 2,708 OI2026-10-16: 2,902 OI2026-10-21: 2,902 OI2026-10-23: 2,943 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, 2026Viewing2,943+41
Oct 21, 20262,9020
Oct 16, 20262,902+194
Oct 15, 20262,708+39
Oct 14, 20262,669+18
Oct 09, 20262,651-182
Oct 08, 20262,8330
Oct 07, 20262,8330
Oct 06, 20262,833-2
Oct 05, 20262,8350
Oct 02, 20262,835No prior observation