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Contract OI history

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Jan 21, 2028 EXPIRATION

UMC $30.00 Put

UMC280121P00030000

Latest saved OI9,104Oct 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 $30.00 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. 9,1044,5520 2026-10-02: 14 OI2026-10-05: 14 OI2026-10-06: 14 OI2026-10-07: 14 OI2026-10-08: 9,104 OI2026-10-09: 9,104 OI2026-10-13: 9,104 OI2026-10-14: 9,104 OI2026-10-15: 9,104 OI2026-10-16: 9,104 OI2026-10-21: 9,104 OI2026-10-23: 9,104 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, 2026Viewing9,1040
Oct 21, 20269,1040
Oct 16, 20269,1040
Oct 15, 20269,1040
Oct 14, 20269,1040
Oct 13, 20269,1040
Oct 09, 20269,1040
Oct 08, 20269,104+9,090
Oct 07, 2026140
Oct 06, 2026140
Oct 05, 2026140
Oct 02, 202614No prior observation