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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $16.00 Put

UMC270115P00016000

Latest saved OI1,926Oct 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 $16.00 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. 1,9279630 2026-10-02: 1,918 OI2026-10-05: 1,915 OI2026-10-06: 1,915 OI2026-10-07: 1,915 OI2026-10-08: 1,915 OI2026-10-09: 1,915 OI2026-10-13: 1,915 OI2026-10-14: 1,915 OI2026-10-15: 1,919 OI2026-10-16: 1,919 OI2026-10-21: 1,927 OI2026-10-23: 1,926 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, 2026Viewing1,926-1
Oct 21, 20261,927+8
Oct 16, 20261,9190
Oct 15, 20261,919+4
Oct 14, 20261,9150
Oct 13, 20261,9150
Oct 09, 20261,9150
Oct 08, 20261,9150
Oct 07, 20261,9150
Oct 06, 20261,9150
Oct 05, 20261,915-3
Oct 02, 20261,918No prior observation