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Contract OI history

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Dec 17, 2027 EXPIRATION

ALK $40.00 Call

ALK271217C00040000

Latest saved OI76Oct 23, 2026
Last change+3vs 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. 76380 2026-10-02: 73 OI2026-10-05: 73 OI2026-10-06: 73 OI2026-10-07: 73 OI2026-10-08: 73 OI2026-10-09: 73 OI2026-10-13: 73 OI2026-10-14: 73 OI2026-10-15: 73 OI2026-10-16: 73 OI2026-10-21: 73 OI2026-10-23: 76 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, 2026Viewing76+3
Oct 21, 2026730
Oct 16, 2026730
Oct 15, 2026730
Oct 14, 2026730
Oct 13, 2026730
Oct 09, 2026730
Oct 08, 2026730
Oct 07, 2026730
Oct 06, 2026730
Oct 05, 2026730
Oct 02, 202673No prior observation