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Contract OI history

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Nov 20, 2026 EXPIRATION

UMC $25.00 Put

UMC261120P00025000

Latest saved OI341Oct 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 $25.00 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. 3841920 2026-10-02: 302 OI2026-10-05: 362 OI2026-10-06: 368 OI2026-10-07: 368 OI2026-10-08: 369 OI2026-10-09: 369 OI2026-10-13: 371 OI2026-10-14: 372 OI2026-10-15: 374 OI2026-10-16: 384 OI2026-10-21: 341 OI2026-10-23: 341 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, 2026Viewing3410
Oct 21, 2026341-43
Oct 16, 2026384+10
Oct 15, 2026374+2
Oct 14, 2026372+1
Oct 13, 2026371+2
Oct 09, 20263690
Oct 08, 2026369+1
Oct 07, 20263680
Oct 06, 2026368+6
Oct 05, 2026362+60
Oct 02, 2026302No prior observation