OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ALMS $12.00 Call

ALMS280121C00012000

Latest saved OI305Oct 20, 2026
Last change+300vs previous saved observation
Saved market days5Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ALMS $12.00 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. 3051520 2026-10-08: 5 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-16: 5 OI2026-10-20: 305 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, 2026Viewing305+300
Oct 16, 202650
Oct 14, 202650
Oct 13, 202650
Oct 08, 20265No prior observation