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Contract OI history

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Apr 16, 2027 EXPIRATION

UMC $18.00 Put

UMC270416P00018000

Latest saved OI3,528Oct 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 $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. 3,5281,7640 2026-10-02: 35 OI2026-10-05: 35 OI2026-10-06: 35 OI2026-10-07: 35 OI2026-10-08: 3,521 OI2026-10-09: 3,521 OI2026-10-13: 3,521 OI2026-10-14: 3,522 OI2026-10-15: 3,522 OI2026-10-16: 3,525 OI2026-10-21: 3,528 OI2026-10-23: 3,528 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, 2026Viewing3,5280
Oct 21, 20263,528+3
Oct 16, 20263,525+3
Oct 15, 20263,5220
Oct 14, 20263,522+1
Oct 13, 20263,5210
Oct 09, 20263,5210
Oct 08, 20263,521+3,486
Oct 07, 2026350
Oct 06, 2026350
Oct 05, 2026350
Oct 02, 202635No prior observation