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Contract OI history

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Nov 20, 2026 EXPIRATION

UMC $23.00 Put

UMC261120P00023000

Latest saved OI1,736Oct 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 $23.00 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. 1,7428710 2026-10-02: 242 OI2026-10-05: 243 OI2026-10-06: 1,688 OI2026-10-07: 1,688 OI2026-10-08: 1,696 OI2026-10-09: 1,697 OI2026-10-13: 1,726 OI2026-10-14: 1,736 OI2026-10-15: 1,742 OI2026-10-16: 1,729 OI2026-10-21: 1,736 OI2026-10-23: 1,736 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, 2026Viewing1,7360
Oct 21, 20261,736+7
Oct 16, 20261,729-13
Oct 15, 20261,742+6
Oct 14, 20261,736+10
Oct 13, 20261,726+29
Oct 09, 20261,697+1
Oct 08, 20261,696+8
Oct 07, 20261,6880
Oct 06, 20261,688+1,445
Oct 05, 2026243+1
Oct 02, 2026242No prior observation