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Contract OI history

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Jan 21, 2028 EXPIRATION

ALK $57.50 Call

ALK280121C00057500

Latest saved OI87Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $57.50 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. 136680 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 44 OI2026-10-07: 44 OI2026-10-08: 44 OI2026-10-09: 136 OI2026-10-13: 92 OI2026-10-14: 92 OI2026-10-15: 92 OI2026-10-16: 92 OI2026-10-21: 92 OI2026-10-23: 87 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, 2026Viewing87-5
Oct 21, 2026920
Oct 16, 2026920
Oct 15, 2026920
Oct 14, 2026920
Oct 13, 202692-44
Oct 09, 2026136+92
Oct 08, 2026440
Oct 07, 2026440
Oct 06, 2026440
Oct 05, 2026440
Oct 02, 202644No prior observation