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Contract OI history

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Dec 18, 2026 EXPIRATION

IBM $250.00 Put

IBM261218P00250000

Latest saved OI3,367Oct 23, 2026
Last change+30vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $250.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,3671,6830 2026-10-02: 3,335 OI2026-10-05: 3,325 OI2026-10-06: 3,325 OI2026-10-07: 3,325 OI2026-10-08: 3,340 OI2026-10-09: 3,340 OI2026-10-13: 3,340 OI2026-10-14: 3,340 OI2026-10-15: 3,336 OI2026-10-16: 3,336 OI2026-10-21: 3,337 OI2026-10-23: 3,367 OI Oct 02, 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, 2026Viewing3,367+30
Oct 21, 20263,337+1
Oct 16, 20263,3360
Oct 15, 20263,336-4
Oct 14, 20263,3400
Oct 13, 20263,3400
Oct 09, 20263,3400
Oct 08, 20263,340+15
Oct 07, 20263,3250
Oct 06, 20263,3250
Oct 05, 20263,325-10
Oct 02, 20263,335No prior observation