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Contract OI history

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Nov 20, 2026 EXPIRATION

ALK $35.00 Put

ALK261120P00035000

Latest saved OI1,661Oct 23, 2026
Last change+243vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6618300 2026-10-02: 687 OI2026-10-05: 692 OI2026-10-06: 692 OI2026-10-07: 850 OI2026-10-08: 863 OI2026-10-09: 916 OI2026-10-13: 1,067 OI2026-10-14: 1,195 OI2026-10-15: 1,277 OI2026-10-16: 1,305 OI2026-10-21: 1,418 OI2026-10-23: 1,661 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, 2026Viewing1,661+243
Oct 21, 20261,418+113
Oct 16, 20261,305+28
Oct 15, 20261,277+82
Oct 14, 20261,195+128
Oct 13, 20261,067+151
Oct 09, 2026916+53
Oct 08, 2026863+13
Oct 07, 2026850+158
Oct 06, 20266920
Oct 05, 2026692+5
Oct 02, 2026687No prior observation