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Contract OI history

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Oct 15, 2027 EXPIRATION

T $18.00 Call

T271015C00018000

Latest saved OI24Oct 23, 2026
Last change+15vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $18.00 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. 24120 2026-10-02: 2 OI2026-10-05: 6 OI2026-10-06: 6 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 8 OI2026-10-14: 9 OI2026-10-15: 9 OI2026-10-16: 9 OI2026-10-21: 9 OI2026-10-23: 24 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, 2026Viewing24+15
Oct 21, 202690
Oct 16, 202690
Oct 15, 202690
Oct 14, 20269+1
Oct 09, 20268+2
Oct 08, 202660
Oct 07, 202660
Oct 06, 202660
Oct 05, 20266+4
Oct 02, 20262No prior observation