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Contract OI history

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Jun 16, 2028 EXPIRATION

UMC $20.00 Put

UMC280616P00020000

Latest saved OI2,289Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
UMC $20.00 put open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 2,2891,1440 2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 2,288 OI2026-10-14: 2,288 OI2026-10-15: 2,289 OI2026-10-16: 2,289 OI2026-10-21: 2,289 OI2026-10-23: 2,289 OI Oct 06, 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, 2026Viewing2,2890
Oct 21, 20262,2890
Oct 16, 20262,2890
Oct 15, 20262,289+1
Oct 14, 20262,2880
Oct 13, 20262,288+2,288
Oct 09, 202600
Oct 08, 202600
Oct 07, 202600
Oct 06, 20260No prior observation