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Contract OI history

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Dec 18, 2026 EXPIRATION

IBM $225.00 Put

IBM261218P00225000

Latest saved OI947Oct 23, 2026
Last change+108vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $225.00 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. 9474730 2026-10-02: 647 OI2026-10-05: 684 OI2026-10-06: 685 OI2026-10-07: 685 OI2026-10-08: 687 OI2026-10-09: 716 OI2026-10-13: 718 OI2026-10-14: 718 OI2026-10-15: 737 OI2026-10-16: 734 OI2026-10-21: 839 OI2026-10-23: 947 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, 2026Viewing947+108
Oct 21, 2026839+105
Oct 16, 2026734-3
Oct 15, 2026737+19
Oct 14, 20267180
Oct 13, 2026718+2
Oct 09, 2026716+29
Oct 08, 2026687+2
Oct 07, 20266850
Oct 06, 2026685+1
Oct 05, 2026684+37
Oct 02, 2026647No prior observation