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Contract OI history

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Nov 20, 2026 EXPIRATION

IBM $175.00 Put

IBM261120P00175000

Latest saved OI391Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $175.00 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. 4382190 2026-10-02: 390 OI2026-10-05: 411 OI2026-10-06: 434 OI2026-10-07: 434 OI2026-10-08: 436 OI2026-10-09: 438 OI2026-10-13: 400 OI2026-10-14: 400 OI2026-10-15: 399 OI2026-10-16: 399 OI2026-10-21: 402 OI2026-10-23: 391 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, 2026Viewing391-11
Oct 21, 2026402+3
Oct 16, 20263990
Oct 15, 2026399-1
Oct 14, 20264000
Oct 13, 2026400-38
Oct 09, 2026438+2
Oct 08, 2026436+2
Oct 07, 20264340
Oct 06, 2026434+23
Oct 05, 2026411+21
Oct 02, 2026390No prior observation