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Contract OI history

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Nov 20, 2026 EXPIRATION

TAC $15.00 Put

TAC261120P00015000

Latest saved OI607Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAC $15.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6103050 2026-10-02: 610 OI2026-10-05: 610 OI2026-10-06: 610 OI2026-10-07: 610 OI2026-10-08: 610 OI2026-10-09: 607 OI2026-10-13: 607 OI2026-10-14: 607 OI2026-10-16: 607 OI2026-10-21: 607 OI2026-10-23: 607 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, 20266070
Oct 21, 2026Viewing6070
Oct 16, 20266070
Oct 14, 20266070
Oct 13, 20266070
Oct 09, 2026607-3
Oct 08, 20266100
Oct 07, 20266100
Oct 06, 20266100
Oct 05, 20266100
Oct 02, 2026610No prior observation