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Contract OI history

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Mar 19, 2027 EXPIRATION

IBM $280.00 Put

IBM270319P00280000

Latest saved OI375Oct 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 $280.00 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. 3781890 2026-10-02: 376 OI2026-10-05: 376 OI2026-10-06: 376 OI2026-10-07: 376 OI2026-10-08: 376 OI2026-10-09: 376 OI2026-10-13: 378 OI2026-10-14: 378 OI2026-10-15: 378 OI2026-10-16: 378 OI2026-10-21: 375 OI2026-10-23: 375 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, 2026Viewing3750
Oct 21, 2026375-3
Oct 16, 20263780
Oct 15, 20263780
Oct 14, 20263780
Oct 13, 2026378+2
Oct 09, 20263760
Oct 08, 20263760
Oct 07, 20263760
Oct 06, 20263760
Oct 05, 20263760
Oct 02, 2026376No prior observation