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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $12.00 Put

UMC270115P00012000

Latest saved OI684Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $12.00 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. 6893440 2026-10-02: 687 OI2026-10-05: 687 OI2026-10-06: 689 OI2026-10-07: 689 OI2026-10-08: 689 OI2026-10-09: 689 OI2026-10-13: 689 OI2026-10-14: 674 OI2026-10-15: 674 OI2026-10-16: 673 OI2026-10-21: 673 OI2026-10-23: 684 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, 2026Viewing684+11
Oct 21, 20266730
Oct 16, 2026673-1
Oct 15, 20266740
Oct 14, 2026674-15
Oct 13, 20266890
Oct 09, 20266890
Oct 08, 20266890
Oct 07, 20266890
Oct 06, 2026689+2
Oct 05, 20266870
Oct 02, 2026687No prior observation