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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $18.00 Put

UMC270115P00018000

Latest saved OI1,128Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $18.00 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. 1,1285640 2026-10-02: 1,087 OI2026-10-05: 1,087 OI2026-10-06: 1,086 OI2026-10-07: 1,086 OI2026-10-08: 1,115 OI2026-10-09: 1,115 OI2026-10-13: 1,114 OI2026-10-14: 1,115 OI2026-10-15: 1,116 OI2026-10-16: 1,116 OI2026-10-21: 1,117 OI2026-10-23: 1,128 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, 2026Viewing1,128+11
Oct 21, 20261,117+1
Oct 16, 20261,1160
Oct 15, 20261,116+1
Oct 14, 20261,115+1
Oct 13, 20261,114-1
Oct 09, 20261,1150
Oct 08, 20261,115+29
Oct 07, 20261,0860
Oct 06, 20261,086-1
Oct 05, 20261,0870
Oct 02, 20261,087No prior observation