OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UWMC $4.00 Put

UWMC1280121P00004000

Latest saved OI1,035Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UWMC $4.00 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. 1,0365180 2026-10-02: 0 OI2026-10-05: 1,011 OI2026-10-06: 1,011 OI2026-10-07: 1,011 OI2026-10-08: 1,036 OI2026-10-09: 1,036 OI2026-10-13: 1,035 OI2026-10-14: 1,035 OI2026-10-15: 1,035 OI2026-10-16: 1,035 OI2026-10-21: 1,035 OI2026-10-23: 1,035 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UWMC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,0350
Oct 21, 20261,0350
Oct 16, 20261,0350
Oct 15, 20261,0350
Oct 14, 20261,0350
Oct 13, 20261,035-1
Oct 09, 20261,0360
Oct 08, 20261,036+25
Oct 07, 20261,0110
Oct 06, 20261,0110
Oct 05, 20261,011+1,011
Oct 02, 20260No prior observation