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Contract OI history

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Jan 21, 2028 EXPIRATION

UMC $25.00 Call

UMC280121C00025000

Latest saved OI1,564Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $25.00 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. 1,5647820 2026-10-02: 1,058 OI2026-10-05: 1,061 OI2026-10-06: 1,544 OI2026-10-07: 1,544 OI2026-10-08: 1,557 OI2026-10-09: 1,557 OI2026-10-13: 1,557 OI2026-10-14: 1,557 OI2026-10-15: 1,557 OI2026-10-16: 1,557 OI2026-10-21: 1,557 OI2026-10-23: 1,564 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, 2026Viewing1,564+7
Oct 21, 20261,5570
Oct 16, 20261,5570
Oct 15, 20261,5570
Oct 14, 20261,5570
Oct 13, 20261,5570
Oct 09, 20261,5570
Oct 08, 20261,557+13
Oct 07, 20261,5440
Oct 06, 20261,544+483
Oct 05, 20261,061+3
Oct 02, 20261,058No prior observation