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Contract OI history

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Dec 17, 2027 EXPIRATION

ALK $25.00 Put

ALK271217P00025000

Latest saved OI141Oct 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 $25.00 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. 141700 2026-10-02: 138 OI2026-10-05: 138 OI2026-10-06: 138 OI2026-10-07: 138 OI2026-10-08: 138 OI2026-10-09: 138 OI2026-10-13: 140 OI2026-10-14: 141 OI2026-10-15: 141 OI2026-10-16: 141 OI2026-10-21: 141 OI2026-10-23: 141 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, 2026Viewing1410
Oct 21, 20261410
Oct 16, 20261410
Oct 15, 20261410
Oct 14, 2026141+1
Oct 13, 2026140+2
Oct 09, 20261380
Oct 08, 20261380
Oct 07, 20261380
Oct 06, 20261380
Oct 05, 20261380
Oct 02, 2026138No prior observation