OITracker Cboe delayed data

Contract OI history

Back to UMC

Jan 21, 2028 EXPIRATION

UMC $35.00 Call

UMC280121C00035000

Latest saved OI218Oct 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 $35.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2181090 2026-10-02: 175 OI2026-10-05: 175 OI2026-10-06: 175 OI2026-10-07: 175 OI2026-10-08: 175 OI2026-10-09: 175 OI2026-10-13: 175 OI2026-10-14: 218 OI2026-10-15: 218 OI2026-10-16: 218 OI2026-10-21: 218 OI2026-10-23: 218 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, 2026Viewing2180
Oct 21, 20262180
Oct 16, 20262180
Oct 15, 20262180
Oct 14, 2026218+43
Oct 13, 20261750
Oct 09, 20261750
Oct 08, 20261750
Oct 07, 20261750
Oct 06, 20261750
Oct 05, 20261750
Oct 02, 2026175No prior observation