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Contract OI history

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Oct 23, 2026 EXPIRATION

IBM $235.00 Put

IBM261023P00235000

Latest saved OI1,651Oct 23, 2026
Last change+1,070vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $235.00 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. 1,6518250 2026-10-02: 126 OI2026-10-05: 125 OI2026-10-06: 146 OI2026-10-07: 146 OI2026-10-08: 147 OI2026-10-09: 115 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-15: 114 OI2026-10-16: 145 OI2026-10-21: 581 OI2026-10-23: 1,651 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, 2026Viewing1,651+1,070
Oct 21, 2026581+436
Oct 16, 2026145+31
Oct 15, 2026114+5
Oct 14, 20261090
Oct 13, 2026109-6
Oct 09, 2026115-32
Oct 08, 2026147+1
Oct 07, 20261460
Oct 06, 2026146+21
Oct 05, 2026125-1
Oct 02, 2026126No prior observation