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Contract OI history

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Mar 19, 2027 EXPIRATION

ALK $40.00 Call

ALK270319C00040000

Latest saved OI515Oct 23, 2026
Last change+1vs 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. 5152570 2026-10-02: 9 OI2026-10-05: 23 OI2026-10-06: 23 OI2026-10-07: 23 OI2026-10-08: 23 OI2026-10-09: 23 OI2026-10-13: 27 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 510 OI2026-10-21: 514 OI2026-10-23: 515 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, 2026Viewing515+1
Oct 21, 2026514+4
Oct 16, 2026510+483
Oct 15, 2026270
Oct 14, 2026270
Oct 13, 202627+4
Oct 09, 2026230
Oct 08, 2026230
Oct 07, 2026230
Oct 06, 2026230
Oct 05, 202623+14
Oct 02, 20269No prior observation