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Nov 20, 2026 EXPIRATION

IBM $170.00 Put

IBM261120P00170000

Latest saved OI512Oct 23, 2026
Last change-10vs 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. 6453220 2026-10-02: 615 OI2026-10-05: 615 OI2026-10-06: 645 OI2026-10-07: 645 OI2026-10-08: 645 OI2026-10-09: 645 OI2026-10-13: 625 OI2026-10-14: 625 OI2026-10-15: 622 OI2026-10-16: 622 OI2026-10-21: 522 OI2026-10-23: 512 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, 2026Viewing512-10
Oct 21, 2026522-100
Oct 16, 20266220
Oct 15, 2026622-3
Oct 14, 20266250
Oct 13, 2026625-20
Oct 09, 20266450
Oct 08, 20266450
Oct 07, 20266450
Oct 06, 2026645+30
Oct 05, 20266150
Oct 02, 2026615No prior observation