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Contract OI history

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Nov 06, 2026 EXPIRATION

IBM $242.50 Put

IBM261106P00242500

Latest saved OI124Oct 23, 2026
Last change+108vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $242.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 124620 2026-10-21: 16 OI2026-10-23: 124 OI Oct 21, 2026Oct 23, 2026

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

IBM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing124+108
Oct 21, 202616No prior observation