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Contract OI history

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Dec 17, 2027 EXPIRATION

ALK $35.00 Put

ALK271217P00035000

Latest saved OI136Oct 23, 2026
Last change+45vs 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. 136680 2026-10-02: 38 OI2026-10-05: 38 OI2026-10-06: 38 OI2026-10-07: 38 OI2026-10-08: 38 OI2026-10-09: 38 OI2026-10-13: 38 OI2026-10-14: 40 OI2026-10-15: 41 OI2026-10-16: 41 OI2026-10-21: 91 OI2026-10-23: 136 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, 2026Viewing136+45
Oct 21, 202691+50
Oct 16, 2026410
Oct 15, 202641+1
Oct 14, 202640+2
Oct 13, 2026380
Oct 09, 2026380
Oct 08, 2026380
Oct 07, 2026380
Oct 06, 2026380
Oct 05, 2026380
Oct 02, 202638No prior observation