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Contract OI history

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Mar 19, 2027 EXPIRATION

IBM $235.00 Put

IBM270319P00235000

Latest saved OI764Oct 23, 2026
Last change+389vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $235.00 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. 7643820 2026-10-02: 353 OI2026-10-05: 353 OI2026-10-06: 354 OI2026-10-07: 354 OI2026-10-08: 354 OI2026-10-09: 354 OI2026-10-13: 361 OI2026-10-14: 361 OI2026-10-15: 361 OI2026-10-16: 364 OI2026-10-21: 375 OI2026-10-23: 764 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, 2026Viewing764+389
Oct 21, 2026375+11
Oct 16, 2026364+3
Oct 15, 20263610
Oct 14, 20263610
Oct 13, 2026361+7
Oct 09, 20263540
Oct 08, 20263540
Oct 07, 20263540
Oct 06, 2026354+1
Oct 05, 20263530
Oct 02, 2026353No prior observation