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Contract OI history

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Jan 15, 2027 EXPIRATION

ALMS $17.00 Put

ALMS270115P00017000

Latest saved OI211Oct 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 $17.00 put open interest history 5 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 2521260 2026-10-08: 252 OI2026-10-13: 252 OI2026-10-14: 252 OI2026-10-16: 211 OI2026-10-20: 211 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, 2026Viewing2110
Oct 16, 2026211-41
Oct 14, 20262520
Oct 13, 20262520
Oct 08, 2026252No prior observation