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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $25.00 Put

UMC270115P00025000

Latest saved OI274Oct 23, 2026
Last change-23vs 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. 3051520 2026-10-02: 305 OI2026-10-05: 305 OI2026-10-06: 298 OI2026-10-07: 298 OI2026-10-08: 298 OI2026-10-09: 298 OI2026-10-13: 298 OI2026-10-14: 298 OI2026-10-15: 298 OI2026-10-16: 298 OI2026-10-21: 297 OI2026-10-23: 274 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, 2026Viewing274-23
Oct 21, 2026297-1
Oct 16, 20262980
Oct 15, 20262980
Oct 14, 20262980
Oct 13, 20262980
Oct 09, 20262980
Oct 08, 20262980
Oct 07, 20262980
Oct 06, 2026298-7
Oct 05, 20263050
Oct 02, 2026305No prior observation