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Contract OI history

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Dec 18, 2026 EXPIRATION

ALM $10.00 Put

ALM261218P00010000

Latest saved OI519Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALM $10.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5192590 2026-10-09: 63 OI2026-10-13: 335 OI2026-10-14: 364 OI2026-10-15: 446 OI2026-10-16: 479 OI2026-10-21: 517 OI2026-10-23: 519 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ALM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing519+2
Oct 21, 2026517+38
Oct 16, 2026479+33
Oct 15, 2026446+82
Oct 14, 2026364+29
Oct 13, 2026335+272
Oct 09, 202663No prior observation