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Contract OI history

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Nov 27, 2026 EXPIRATION

IBM $235.00 Put

IBM261127P00235000

Latest saved OI36Oct 23, 2026
Last change+17vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $235.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 36180 2026-10-08: 0 OI2026-10-09: 1 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-15: 4 OI2026-10-16: 4 OI2026-10-21: 19 OI2026-10-23: 36 OI Oct 08, 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, 2026Viewing36+17
Oct 21, 202619+15
Oct 16, 202640
Oct 15, 202640
Oct 14, 202640
Oct 13, 20264+3
Oct 09, 20261+1
Oct 08, 20260No prior observation