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Contract OI history

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Apr 16, 2027 EXPIRATION

ALMS $20.00 Call

ALMS270416C00020000

Latest saved OI1,618Oct 20, 2026
Last change0vs previous saved observation
Saved market days5Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ALMS $20.00 call open interest history 5 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 1,6248120 2026-10-08: 1,624 OI2026-10-13: 1,624 OI2026-10-14: 1,624 OI2026-10-16: 1,618 OI2026-10-20: 1,618 OI Oct 08, 2026Oct 20, 2026

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

ALMS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1,6180
Oct 16, 20261,618-6
Oct 14, 20261,6240
Oct 13, 20261,6240
Oct 08, 20261,624No prior observation