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Contract OI history

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Oct 30, 2026 EXPIRATION

IBM $257.50 Call

IBM261030C00257500

Latest saved OI335Oct 23, 2026
Last change+331vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $257.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 3351670 2026-10-21: 4 OI2026-10-23: 335 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, 2026Viewing335+331
Oct 21, 20264No prior observation