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Contract OI history

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Nov 20, 2026 EXPIRATION

IBM $185.00 Put

IBM261120P00185000

Latest saved OI693Oct 23, 2026
Last change-43vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $185.00 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. 7703850 2026-10-02: 634 OI2026-10-05: 665 OI2026-10-06: 703 OI2026-10-07: 703 OI2026-10-08: 711 OI2026-10-09: 770 OI2026-10-13: 764 OI2026-10-14: 764 OI2026-10-15: 764 OI2026-10-16: 748 OI2026-10-21: 736 OI2026-10-23: 693 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, 2026Viewing693-43
Oct 21, 2026736-12
Oct 16, 2026748-16
Oct 15, 20267640
Oct 14, 20267640
Oct 13, 2026764-6
Oct 09, 2026770+59
Oct 08, 2026711+8
Oct 07, 20267030
Oct 06, 2026703+38
Oct 05, 2026665+31
Oct 02, 2026634No prior observation