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Contract OI history

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Jan 21, 2028 EXPIRATION

IBM $270.00 Put

IBM280121P00270000

Latest saved OI1,867Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $270.00 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. 1,8679330 2026-10-02: 1,855 OI2026-10-05: 1,855 OI2026-10-06: 1,855 OI2026-10-07: 1,855 OI2026-10-08: 1,855 OI2026-10-09: 1,855 OI2026-10-13: 1,856 OI2026-10-14: 1,856 OI2026-10-15: 1,856 OI2026-10-16: 1,856 OI2026-10-21: 1,867 OI2026-10-23: 1,867 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, 2026Viewing1,8670
Oct 21, 20261,867+11
Oct 16, 20261,8560
Oct 15, 20261,8560
Oct 14, 20261,8560
Oct 13, 20261,856+1
Oct 09, 20261,8550
Oct 08, 20261,8550
Oct 07, 20261,8550
Oct 06, 20261,8550
Oct 05, 20261,8550
Oct 02, 20261,855No prior observation