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Contract OI history

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Jan 21, 2028 EXPIRATION

IBM $170.00 Put

IBM280121P00170000

Latest saved OI648Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $170.00 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. 6583290 2026-10-02: 657 OI2026-10-05: 657 OI2026-10-06: 657 OI2026-10-07: 657 OI2026-10-08: 657 OI2026-10-09: 658 OI2026-10-13: 657 OI2026-10-14: 657 OI2026-10-15: 657 OI2026-10-16: 656 OI2026-10-21: 655 OI2026-10-23: 648 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, 2026Viewing648-7
Oct 21, 2026655-1
Oct 16, 2026656-1
Oct 15, 20266570
Oct 14, 20266570
Oct 13, 2026657-1
Oct 09, 2026658+1
Oct 08, 20266570
Oct 07, 20266570
Oct 06, 20266570
Oct 05, 20266570
Oct 02, 2026657No prior observation