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Contract OI history

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Oct 30, 2026 EXPIRATION

IBM $225.00 Put

IBM261030P00225000

Latest saved OI1,334Oct 23, 2026
Last change+1,053vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $225.00 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. 1,3346670 2026-10-02: 164 OI2026-10-05: 166 OI2026-10-06: 160 OI2026-10-07: 160 OI2026-10-08: 162 OI2026-10-09: 203 OI2026-10-13: 217 OI2026-10-14: 217 OI2026-10-15: 218 OI2026-10-16: 217 OI2026-10-21: 281 OI2026-10-23: 1,334 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, 2026Viewing1,334+1,053
Oct 21, 2026281+64
Oct 16, 2026217-1
Oct 15, 2026218+1
Oct 14, 20262170
Oct 13, 2026217+14
Oct 09, 2026203+41
Oct 08, 2026162+2
Oct 07, 20261600
Oct 06, 2026160-6
Oct 05, 2026166+2
Oct 02, 2026164No prior observation