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Contract OI history

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Nov 20, 2026 EXPIRATION

UMC $19.00 Put

UMC261120P00019000

Latest saved OI215Oct 23, 2026
Last change+39vs 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. 2151070 2026-10-02: 43 OI2026-10-05: 43 OI2026-10-06: 54 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 54 OI2026-10-13: 54 OI2026-10-14: 65 OI2026-10-15: 63 OI2026-10-16: 154 OI2026-10-21: 176 OI2026-10-23: 215 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, 2026Viewing215+39
Oct 21, 2026176+22
Oct 16, 2026154+91
Oct 15, 202663-2
Oct 14, 202665+11
Oct 13, 2026540
Oct 09, 2026540
Oct 08, 2026540
Oct 07, 2026540
Oct 06, 202654+11
Oct 05, 2026430
Oct 02, 202643No prior observation