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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $19.00 Put

UMC270115P00019000

Latest saved OI1,951Oct 23, 2026
Last change+510vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $19.00 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. 1,9519750 2026-10-02: 1,439 OI2026-10-05: 1,439 OI2026-10-06: 1,424 OI2026-10-07: 1,424 OI2026-10-08: 1,424 OI2026-10-09: 1,422 OI2026-10-13: 1,422 OI2026-10-14: 1,439 OI2026-10-15: 1,440 OI2026-10-16: 1,440 OI2026-10-21: 1,441 OI2026-10-23: 1,951 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, 2026Viewing1,951+510
Oct 21, 20261,441+1
Oct 16, 20261,4400
Oct 15, 20261,440+1
Oct 14, 20261,439+17
Oct 13, 20261,4220
Oct 09, 20261,422-2
Oct 08, 20261,4240
Oct 07, 20261,4240
Oct 06, 20261,424-15
Oct 05, 20261,4390
Oct 02, 20261,439No prior observation