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Contract OI history

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Dec 18, 2026 EXPIRATION

ASMB $25.00 Put

ASMB261218P00025000

Latest saved OI28Oct 20, 2026
Last change0vs previous saved observation
Saved market days5Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ASMB $25.00 put open interest history 5 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 28140 2026-10-08: 28 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-16: 28 OI2026-10-20: 28 OI Oct 08, 2026Oct 20, 2026

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

ASMB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing280
Oct 16, 2026280
Oct 14, 2026280
Oct 13, 2026280
Oct 08, 202628No prior observation