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Contract OI history

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Dec 18, 2026 EXPIRATION

ALK $47.50 Call

ALK261218C00047500

Latest saved OI1,575Oct 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 $47.50 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. 1,5827910 2026-10-02: 1,582 OI2026-10-05: 1,578 OI2026-10-06: 1,578 OI2026-10-07: 1,576 OI2026-10-08: 1,576 OI2026-10-09: 1,576 OI2026-10-13: 1,576 OI2026-10-14: 1,576 OI2026-10-15: 1,576 OI2026-10-16: 1,574 OI2026-10-21: 1,574 OI2026-10-23: 1,575 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, 2026Viewing1,575+1
Oct 21, 20261,5740
Oct 16, 20261,574-2
Oct 15, 20261,5760
Oct 14, 20261,5760
Oct 13, 20261,5760
Oct 09, 20261,5760
Oct 08, 20261,5760
Oct 07, 20261,576-2
Oct 06, 20261,5780
Oct 05, 20261,578-4
Oct 02, 20261,582No prior observation