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Contract OI history

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Apr 16, 2027 EXPIRATION

TAP $40.00 Put

TAP270416P00040000

Latest saved OI238Oct 23, 2026
Last change+33vs 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. 2381190 2026-10-02: 167 OI2026-10-05: 167 OI2026-10-06: 171 OI2026-10-07: 203 OI2026-10-08: 203 OI2026-10-09: 203 OI2026-10-13: 203 OI2026-10-14: 203 OI2026-10-15: 203 OI2026-10-16: 208 OI2026-10-21: 205 OI2026-10-23: 238 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, 2026Viewing238+33
Oct 21, 2026205-3
Oct 16, 2026208+5
Oct 15, 20262030
Oct 14, 20262030
Oct 13, 20262030
Oct 09, 20262030
Oct 08, 20262030
Oct 07, 2026203+32
Oct 06, 2026171+4
Oct 05, 20261670
Oct 02, 2026167No prior observation