OITracker Cboe delayed data

Contract OI history

Back to TAP

Jan 15, 2027 EXPIRATION

TAP $40.00 Call

TAP270115C00040000

Latest saved OI327Oct 23, 2026
Last change-14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAP $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3981990 2026-10-02: 374 OI2026-10-05: 374 OI2026-10-06: 385 OI2026-10-07: 386 OI2026-10-08: 388 OI2026-10-09: 384 OI2026-10-13: 398 OI2026-10-14: 398 OI2026-10-15: 398 OI2026-10-16: 354 OI2026-10-21: 341 OI2026-10-23: 327 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, 2026327-14
Oct 21, 2026Viewing341-13
Oct 16, 2026354-44
Oct 15, 20263980
Oct 14, 20263980
Oct 13, 2026398+14
Oct 09, 2026384-4
Oct 08, 2026388+2
Oct 07, 2026386+1
Oct 06, 2026385+11
Oct 05, 20263740
Oct 02, 2026374No prior observation