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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $18.00 Call

UMC270115C00018000

Latest saved OI837Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $18.00 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. 8544270 2026-10-02: 854 OI2026-10-05: 850 OI2026-10-06: 845 OI2026-10-07: 845 OI2026-10-08: 843 OI2026-10-09: 847 OI2026-10-13: 845 OI2026-10-14: 845 OI2026-10-15: 845 OI2026-10-16: 845 OI2026-10-21: 837 OI2026-10-23: 837 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, 2026Viewing8370
Oct 21, 2026837-8
Oct 16, 20268450
Oct 15, 20268450
Oct 14, 20268450
Oct 13, 2026845-2
Oct 09, 2026847+4
Oct 08, 2026843-2
Oct 07, 20268450
Oct 06, 2026845-5
Oct 05, 2026850-4
Oct 02, 2026854No prior observation