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Contract OI history

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Nov 20, 2026 EXPIRATION

ALGM $45.00 Call

ALGM261120C00045000

Latest saved OI385Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALGM $45.00 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. 3851920 2026-10-09: 384 OI2026-10-13: 374 OI2026-10-14: 374 OI2026-10-15: 374 OI2026-10-16: 374 OI2026-10-21: 379 OI2026-10-23: 385 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, 2026Viewing385+6
Oct 21, 2026379+5
Oct 16, 20263740
Oct 15, 20263740
Oct 14, 20263740
Oct 13, 2026374-10
Oct 09, 2026384No prior observation