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Contract OI history

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Nov 20, 2026 EXPIRATION

UMC $22.00 Put

UMC261120P00022000

Latest saved OI671Oct 23, 2026
Last change-141vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $22.00 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. 8124060 2026-10-02: 292 OI2026-10-05: 287 OI2026-10-06: 629 OI2026-10-07: 629 OI2026-10-08: 631 OI2026-10-09: 630 OI2026-10-13: 698 OI2026-10-14: 712 OI2026-10-15: 719 OI2026-10-16: 779 OI2026-10-21: 812 OI2026-10-23: 671 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, 2026Viewing671-141
Oct 21, 2026812+33
Oct 16, 2026779+60
Oct 15, 2026719+7
Oct 14, 2026712+14
Oct 13, 2026698+68
Oct 09, 2026630-1
Oct 08, 2026631+2
Oct 07, 20266290
Oct 06, 2026629+342
Oct 05, 2026287-5
Oct 02, 2026292No prior observation