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Contract OI history

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Nov 20, 2026 EXPIRATION

ALK $32.50 Put

ALK261120P00032500

Latest saved OI1,395Oct 23, 2026
Last change-49vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALK $32.50 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. 1,4447220 2026-10-02: 216 OI2026-10-05: 238 OI2026-10-06: 238 OI2026-10-07: 240 OI2026-10-08: 251 OI2026-10-09: 263 OI2026-10-13: 263 OI2026-10-14: 427 OI2026-10-15: 464 OI2026-10-16: 503 OI2026-10-21: 1,444 OI2026-10-23: 1,395 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, 2026Viewing1,395-49
Oct 21, 20261,444+941
Oct 16, 2026503+39
Oct 15, 2026464+37
Oct 14, 2026427+164
Oct 13, 20262630
Oct 09, 2026263+12
Oct 08, 2026251+11
Oct 07, 2026240+2
Oct 06, 20262380
Oct 05, 2026238+22
Oct 02, 2026216No prior observation