OITracker Cboe delayed data

Contract OI history

Back to ALK

Jan 15, 2027 EXPIRATION

ALK $40.00 Call

ALK270115C00040000

Latest saved OI598Oct 23, 2026
Last change+132vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $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. 5982990 2026-10-02: 407 OI2026-10-05: 420 OI2026-10-06: 420 OI2026-10-07: 420 OI2026-10-08: 423 OI2026-10-09: 458 OI2026-10-13: 463 OI2026-10-14: 461 OI2026-10-15: 459 OI2026-10-16: 459 OI2026-10-21: 466 OI2026-10-23: 598 OI Oct 02, 2026Oct 23, 2026

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

ALK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing598+132
Oct 21, 2026466+7
Oct 16, 20264590
Oct 15, 2026459-2
Oct 14, 2026461-2
Oct 13, 2026463+5
Oct 09, 2026458+35
Oct 08, 2026423+3
Oct 07, 20264200
Oct 06, 20264200
Oct 05, 2026420+13
Oct 02, 2026407No prior observation