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Contract OI history

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Dec 18, 2026 EXPIRATION

ALK $55.00 Call

ALK261218C00055000

Latest saved OI504Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $55.00 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. 5042520 2026-10-02: 477 OI2026-10-05: 480 OI2026-10-06: 480 OI2026-10-07: 480 OI2026-10-08: 475 OI2026-10-09: 477 OI2026-10-13: 477 OI2026-10-14: 470 OI2026-10-15: 470 OI2026-10-16: 470 OI2026-10-21: 492 OI2026-10-23: 504 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, 2026Viewing504+12
Oct 21, 2026492+22
Oct 16, 20264700
Oct 15, 20264700
Oct 14, 2026470-7
Oct 13, 20264770
Oct 09, 2026477+2
Oct 08, 2026475-5
Oct 07, 20264800
Oct 06, 20264800
Oct 05, 2026480+3
Oct 02, 2026477No prior observation