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Contract OI history

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Jan 15, 2027 EXPIRATION

UMC $23.00 Put

UMC270115P00023000

Latest saved OI1,331Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $23.00 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. 1,3346670 2026-10-02: 1,226 OI2026-10-05: 1,226 OI2026-10-06: 1,254 OI2026-10-07: 1,254 OI2026-10-08: 1,258 OI2026-10-09: 1,259 OI2026-10-13: 1,258 OI2026-10-14: 1,258 OI2026-10-15: 1,257 OI2026-10-16: 1,257 OI2026-10-21: 1,334 OI2026-10-23: 1,331 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, 2026Viewing1,331-3
Oct 21, 20261,334+77
Oct 16, 20261,2570
Oct 15, 20261,257-1
Oct 14, 20261,2580
Oct 13, 20261,258-1
Oct 09, 20261,259+1
Oct 08, 20261,258+4
Oct 07, 20261,2540
Oct 06, 20261,254+28
Oct 05, 20261,2260
Oct 02, 20261,226No prior observation