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Contract OI history

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Dec 18, 2026 EXPIRATION

ALK $57.50 Call

ALK261218C00057500

Latest saved OI114Oct 23, 2026
Last change0vs 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. 129640 2026-10-02: 129 OI2026-10-05: 129 OI2026-10-06: 129 OI2026-10-07: 129 OI2026-10-08: 119 OI2026-10-09: 114 OI2026-10-13: 114 OI2026-10-14: 114 OI2026-10-15: 114 OI2026-10-16: 114 OI2026-10-21: 114 OI2026-10-23: 114 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, 2026Viewing1140
Oct 21, 20261140
Oct 16, 20261140
Oct 15, 20261140
Oct 14, 20261140
Oct 13, 20261140
Oct 09, 2026114-5
Oct 08, 2026119-10
Oct 07, 20261290
Oct 06, 20261290
Oct 05, 20261290
Oct 02, 2026129No prior observation