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Contract OI history

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Nov 20, 2026 EXPIRATION

IBM $230.00 Put

IBM261120P00230000

Latest saved OI1,901Oct 23, 2026
Last change-446vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $230.00 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. 2,3471,1730 2026-10-02: 1,724 OI2026-10-05: 1,725 OI2026-10-06: 1,729 OI2026-10-07: 1,729 OI2026-10-08: 1,735 OI2026-10-09: 2,137 OI2026-10-13: 2,141 OI2026-10-14: 2,141 OI2026-10-15: 2,155 OI2026-10-16: 2,339 OI2026-10-21: 2,347 OI2026-10-23: 1,901 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, 2026Viewing1,901-446
Oct 21, 20262,347+8
Oct 16, 20262,339+184
Oct 15, 20262,155+14
Oct 14, 20262,1410
Oct 13, 20262,141+4
Oct 09, 20262,137+402
Oct 08, 20261,735+6
Oct 07, 20261,7290
Oct 06, 20261,729+4
Oct 05, 20261,725+1
Oct 02, 20261,724No prior observation