OITracker Cboe delayed data

Contract OI history

Back to TAP

Nov 20, 2026 EXPIRATION

TAP $40.00 Put

TAP261120P00040000

Latest saved OI199Oct 23, 2026
Last change-7vs 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. 2061030 2026-10-02: 89 OI2026-10-05: 93 OI2026-10-06: 93 OI2026-10-07: 94 OI2026-10-08: 95 OI2026-10-09: 96 OI2026-10-13: 110 OI2026-10-14: 110 OI2026-10-15: 119 OI2026-10-16: 120 OI2026-10-21: 206 OI2026-10-23: 199 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, 2026Viewing199-7
Oct 21, 2026206+86
Oct 16, 2026120+1
Oct 15, 2026119+9
Oct 14, 20261100
Oct 13, 2026110+14
Oct 09, 202696+1
Oct 08, 202695+1
Oct 07, 202694+1
Oct 06, 2026930
Oct 05, 202693+4
Oct 02, 202689No prior observation