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Contract OI history

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Nov 20, 2026 EXPIRATION

IBM $215.00 Put

IBM261120P00215000

Latest saved OI1,088Oct 23, 2026
Last change+200vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $215.00 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. 1,0885440 2026-10-02: 857 OI2026-10-05: 855 OI2026-10-06: 881 OI2026-10-07: 881 OI2026-10-08: 892 OI2026-10-09: 905 OI2026-10-13: 897 OI2026-10-14: 897 OI2026-10-15: 890 OI2026-10-16: 908 OI2026-10-21: 888 OI2026-10-23: 1,088 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, 2026Viewing1,088+200
Oct 21, 2026888-20
Oct 16, 2026908+18
Oct 15, 2026890-7
Oct 14, 20268970
Oct 13, 2026897-8
Oct 09, 2026905+13
Oct 08, 2026892+11
Oct 07, 20268810
Oct 06, 2026881+26
Oct 05, 2026855-2
Oct 02, 2026857No prior observation