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Contract OI history

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Nov 20, 2026 EXPIRATION

ALMU $12.50 Put

ALMU261120P00012500

Latest saved OI221Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ALMU $12.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2271130 2026-10-08: 191 OI2026-10-09: 172 OI2026-10-13: 226 OI2026-10-15: 226 OI2026-10-16: 227 OI2026-10-20: 221 OI2026-10-23: 221 OI Oct 08, 2026Oct 23, 2026

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

ALMU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2210
Oct 20, 2026221-6
Oct 16, 2026227+1
Oct 15, 20262260
Oct 13, 2026226+54
Oct 09, 2026172-19
Oct 08, 2026191No prior observation