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Contract OI history

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Mar 19, 2027 EXPIRATION

IBM $170.00 Put

IBM270319P00170000

Latest saved OI495Oct 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. 5102550 2026-10-02: 508 OI2026-10-05: 508 OI2026-10-06: 508 OI2026-10-07: 508 OI2026-10-08: 510 OI2026-10-09: 510 OI2026-10-13: 510 OI2026-10-14: 510 OI2026-10-15: 505 OI2026-10-16: 509 OI2026-10-21: 502 OI2026-10-23: 495 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, 2026Viewing495-7
Oct 21, 2026502-7
Oct 16, 2026509+4
Oct 15, 2026505-5
Oct 14, 20265100
Oct 13, 20265100
Oct 09, 20265100
Oct 08, 2026510+2
Oct 07, 20265080
Oct 06, 20265080
Oct 05, 20265080
Oct 02, 2026508No prior observation