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Contract OI history

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Oct 23, 2026 EXPIRATION

IBM $255.00 Call

IBM261023C00255000

Latest saved OI1,960Oct 23, 2026
Last change+1,316vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IBM $255.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9609800 2026-10-02: 178 OI2026-10-05: 257 OI2026-10-06: 273 OI2026-10-07: 273 OI2026-10-08: 275 OI2026-10-09: 307 OI2026-10-13: 325 OI2026-10-14: 325 OI2026-10-15: 311 OI2026-10-16: 350 OI2026-10-21: 644 OI2026-10-23: 1,960 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, 2026Viewing1,960+1,316
Oct 21, 2026644+294
Oct 16, 2026350+39
Oct 15, 2026311-14
Oct 14, 20263250
Oct 13, 2026325+18
Oct 09, 2026307+32
Oct 08, 2026275+2
Oct 07, 20262730
Oct 06, 2026273+16
Oct 05, 2026257+79
Oct 02, 2026178No prior observation