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Contract OI history

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Jan 15, 2027 EXPIRATION

ALGM $30.00 Call

ALGM270115C00030000

Latest saved OI144Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALGM $30.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 144720 2026-10-09: 139 OI2026-10-13: 139 OI2026-10-14: 139 OI2026-10-15: 139 OI2026-10-16: 139 OI2026-10-21: 140 OI2026-10-23: 144 OI Oct 09, 2026Oct 23, 2026

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

ALGM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing144+4
Oct 21, 2026140+1
Oct 16, 20261390
Oct 15, 20261390
Oct 14, 20261390
Oct 13, 20261390
Oct 09, 2026139No prior observation