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Contract OI history

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Oct 23, 2026 EXPIRATION

IBM $220.00 Put

IBM261023P00220000

Latest saved OI2,270Oct 23, 2026
Last change+1,177vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $220.00 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. 2,2701,1350 2026-10-02: 316 OI2026-10-05: 394 OI2026-10-06: 439 OI2026-10-07: 439 OI2026-10-08: 451 OI2026-10-09: 499 OI2026-10-13: 530 OI2026-10-14: 530 OI2026-10-15: 755 OI2026-10-16: 796 OI2026-10-21: 1,093 OI2026-10-23: 2,270 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, 2026Viewing2,270+1,177
Oct 21, 20261,093+297
Oct 16, 2026796+41
Oct 15, 2026755+225
Oct 14, 20265300
Oct 13, 2026530+31
Oct 09, 2026499+48
Oct 08, 2026451+12
Oct 07, 20264390
Oct 06, 2026439+45
Oct 05, 2026394+78
Oct 02, 2026316No prior observation