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Contract OI history

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Nov 20, 2026 EXPIRATION

UMC $28.00 Call

UMC261120C00028000

Latest saved OI440Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $28.00 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. 4402200 2026-10-02: 115 OI2026-10-05: 117 OI2026-10-06: 347 OI2026-10-07: 347 OI2026-10-08: 359 OI2026-10-09: 357 OI2026-10-13: 365 OI2026-10-14: 365 OI2026-10-15: 365 OI2026-10-16: 365 OI2026-10-21: 438 OI2026-10-23: 440 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UMC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing440+2
Oct 21, 2026438+73
Oct 16, 20263650
Oct 15, 20263650
Oct 14, 20263650
Oct 13, 2026365+8
Oct 09, 2026357-2
Oct 08, 2026359+12
Oct 07, 20263470
Oct 06, 2026347+230
Oct 05, 2026117+2
Oct 02, 2026115No prior observation