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Contract OI history

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Apr 16, 2027 EXPIRATION

UMC $19.00 Put

UMC270416P00019000

Latest saved OI2,355Oct 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 $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. 2,3551,1770 2026-10-02: 1,775 OI2026-10-05: 1,775 OI2026-10-06: 2,354 OI2026-10-07: 2,354 OI2026-10-08: 2,354 OI2026-10-09: 2,354 OI2026-10-13: 2,354 OI2026-10-14: 2,355 OI2026-10-15: 2,355 OI2026-10-16: 2,355 OI2026-10-21: 2,355 OI2026-10-23: 2,355 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, 2026Viewing2,3550
Oct 21, 20262,3550
Oct 16, 20262,3550
Oct 15, 20262,3550
Oct 14, 20262,355+1
Oct 13, 20262,3540
Oct 09, 20262,3540
Oct 08, 20262,3540
Oct 07, 20262,3540
Oct 06, 20262,354+579
Oct 05, 20261,7750
Oct 02, 20261,775No prior observation