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Contract OI history

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Oct 23, 2026 EXPIRATION

T $21.00 Call

T261023C00021000

Latest saved OI131Oct 23, 2026
Last change-11vs 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. 142710 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 6 OI2026-10-14: 52 OI2026-10-15: 57 OI2026-10-16: 104 OI2026-10-21: 142 OI2026-10-23: 131 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, 2026Viewing131-11
Oct 21, 2026142+38
Oct 16, 2026104+47
Oct 15, 202657+5
Oct 14, 202652+46
Oct 09, 20266+4
Oct 08, 202620
Oct 07, 202620
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation