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Contract OI history

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May 21, 2027 EXPIRATION

IBM $210.00 Put

IBM270521P00210000

Latest saved OI201Oct 23, 2026
Last change+201vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $210.00 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. 2011000 2026-10-21: 0 OI2026-10-23: 201 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, 2026Viewing201+201
Oct 21, 20260No prior observation