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Contract OI history

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Nov 20, 2026 EXPIRATION

ALK $30.00 Put

ALK261120P00030000

Latest saved OI907Oct 23, 2026
Last change-216vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $30.00 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. 1,1235610 2026-10-02: 313 OI2026-10-05: 313 OI2026-10-06: 313 OI2026-10-07: 313 OI2026-10-08: 313 OI2026-10-09: 314 OI2026-10-13: 313 OI2026-10-14: 613 OI2026-10-15: 644 OI2026-10-16: 644 OI2026-10-21: 1,123 OI2026-10-23: 907 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, 2026Viewing907-216
Oct 21, 20261,123+479
Oct 16, 20266440
Oct 15, 2026644+31
Oct 14, 2026613+300
Oct 13, 2026313-1
Oct 09, 2026314+1
Oct 08, 20263130
Oct 07, 20263130
Oct 06, 20263130
Oct 05, 20263130
Oct 02, 2026313No prior observation