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Contract OI history

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Jan 15, 2027 EXPIRATION

ALMS $20.00 Call

ALMS270115C00020000

Latest saved OI10,128Oct 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. 10,1285,0640 2026-10-08: 10,127 OI2026-10-13: 10,128 OI2026-10-14: 10,128 OI2026-10-16: 10,128 OI2026-10-20: 10,128 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, 2026Viewing10,1280
Oct 16, 202610,1280
Oct 14, 202610,1280
Oct 13, 202610,128+1
Oct 08, 202610,127No prior observation