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Contract OI history

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Jan 15, 2027 EXPIRATION

TAP $40.00 Put

TAP270115P00040000

Latest saved OI2,780Oct 23, 2026
Last change-40vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAP $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,8341,4170 2026-10-02: 2,816 OI2026-10-05: 2,819 OI2026-10-06: 2,821 OI2026-10-07: 2,834 OI2026-10-08: 2,833 OI2026-10-09: 2,833 OI2026-10-13: 2,828 OI2026-10-14: 2,828 OI2026-10-15: 2,828 OI2026-10-16: 2,828 OI2026-10-21: 2,820 OI2026-10-23: 2,780 OI Oct 02, 2026Oct 23, 2026

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

TAP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,780-40
Oct 21, 20262,820-8
Oct 16, 20262,8280
Oct 15, 20262,8280
Oct 14, 20262,8280
Oct 13, 20262,828-5
Oct 09, 20262,8330
Oct 08, 20262,833-1
Oct 07, 20262,834+13
Oct 06, 20262,821+2
Oct 05, 20262,819+3
Oct 02, 20262,816No prior observation