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Contract OI history

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Nov 20, 2026 EXPIRATION

TAC $13.00 Call

TAC261120C00013000

Latest saved OI770Oct 23, 2026
Last change-3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAC $13.00 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. 7733860 2026-10-02: 555 OI2026-10-05: 555 OI2026-10-06: 555 OI2026-10-07: 560 OI2026-10-08: 560 OI2026-10-09: 562 OI2026-10-13: 563 OI2026-10-14: 715 OI2026-10-16: 715 OI2026-10-21: 773 OI2026-10-23: 770 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing770-3
Oct 21, 2026773+58
Oct 16, 20267150
Oct 14, 2026715+152
Oct 13, 2026563+1
Oct 09, 2026562+2
Oct 08, 20265600
Oct 07, 2026560+5
Oct 06, 20265550
Oct 05, 20265550
Oct 02, 2026555No prior observation