OITracker Cboe delayed data

Contract OI history

Back to ALK

Jan 21, 2028 EXPIRATION

ALK $40.00 Call

ALK280121C00040000

Latest saved OI700Oct 23, 2026
Last change+10vs 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. 7003500 2026-10-02: 653 OI2026-10-05: 653 OI2026-10-06: 653 OI2026-10-07: 653 OI2026-10-08: 653 OI2026-10-09: 654 OI2026-10-13: 655 OI2026-10-14: 657 OI2026-10-15: 670 OI2026-10-16: 675 OI2026-10-21: 690 OI2026-10-23: 700 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, 2026Viewing700+10
Oct 21, 2026690+15
Oct 16, 2026675+5
Oct 15, 2026670+13
Oct 14, 2026657+2
Oct 13, 2026655+1
Oct 09, 2026654+1
Oct 08, 20266530
Oct 07, 20266530
Oct 06, 20266530
Oct 05, 20266530
Oct 02, 2026653No prior observation