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Contract OI history

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Nov 20, 2026 EXPIRATION

IBM $270.00 Put

IBM261120P00270000

Latest saved OI323Oct 23, 2026
Last change-101vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $270.00 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. 4282140 2026-10-02: 428 OI2026-10-05: 428 OI2026-10-06: 426 OI2026-10-07: 426 OI2026-10-08: 426 OI2026-10-09: 426 OI2026-10-13: 425 OI2026-10-14: 425 OI2026-10-15: 425 OI2026-10-16: 425 OI2026-10-21: 424 OI2026-10-23: 323 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, 2026Viewing323-101
Oct 21, 2026424-1
Oct 16, 20264250
Oct 15, 20264250
Oct 14, 20264250
Oct 13, 2026425-1
Oct 09, 20264260
Oct 08, 20264260
Oct 07, 20264260
Oct 06, 2026426-2
Oct 05, 20264280
Oct 02, 2026428No prior observation