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Contract OI history

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Oct 30, 2026 EXPIRATION

IBM $210.00 Put

IBM261030P00210000

Latest saved OI1,113Oct 23, 2026
Last change+196vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $210.00 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. 1,1135560 2026-10-02: 332 OI2026-10-05: 344 OI2026-10-06: 358 OI2026-10-07: 358 OI2026-10-08: 354 OI2026-10-09: 742 OI2026-10-13: 1,000 OI2026-10-14: 1,000 OI2026-10-15: 936 OI2026-10-16: 896 OI2026-10-21: 917 OI2026-10-23: 1,113 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, 2026Viewing1,113+196
Oct 21, 2026917+21
Oct 16, 2026896-40
Oct 15, 2026936-64
Oct 14, 20261,0000
Oct 13, 20261,000+258
Oct 09, 2026742+388
Oct 08, 2026354-4
Oct 07, 20263580
Oct 06, 2026358+14
Oct 05, 2026344+12
Oct 02, 2026332No prior observation