OITracker Cboe delayed data

Contract OI history

Back to ALK

Jan 15, 2027 EXPIRATION

ALK $30.00 Put

ALK270115P00030000

Latest saved OI801Oct 23, 2026
Last change+48vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $30.00 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. 8014000 2026-10-02: 642 OI2026-10-05: 642 OI2026-10-06: 642 OI2026-10-07: 667 OI2026-10-08: 668 OI2026-10-09: 683 OI2026-10-13: 684 OI2026-10-14: 734 OI2026-10-15: 735 OI2026-10-16: 746 OI2026-10-21: 753 OI2026-10-23: 801 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, 2026Viewing801+48
Oct 21, 2026753+7
Oct 16, 2026746+11
Oct 15, 2026735+1
Oct 14, 2026734+50
Oct 13, 2026684+1
Oct 09, 2026683+15
Oct 08, 2026668+1
Oct 07, 2026667+25
Oct 06, 20266420
Oct 05, 20266420
Oct 02, 2026642No prior observation