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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $22.00 Put

UMC270115P00022000

Latest saved OI4,321Oct 23, 2026
Last change+1vs 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. 4,3222,1610 2026-10-02: 904 OI2026-10-05: 913 OI2026-10-06: 925 OI2026-10-07: 925 OI2026-10-08: 927 OI2026-10-09: 927 OI2026-10-13: 936 OI2026-10-14: 941 OI2026-10-15: 4,322 OI2026-10-16: 4,321 OI2026-10-21: 4,320 OI2026-10-23: 4,321 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, 2026Viewing4,321+1
Oct 21, 20264,320-1
Oct 16, 20264,321-1
Oct 15, 20264,322+3,381
Oct 14, 2026941+5
Oct 13, 2026936+9
Oct 09, 20269270
Oct 08, 2026927+2
Oct 07, 20269250
Oct 06, 2026925+12
Oct 05, 2026913+9
Oct 02, 2026904No prior observation