OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

U $35.00 Put

U270115P00035000

Latest saved OI1,723Oct 23, 2026
Last change-64vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7878930 2026-10-02: 1,610 OI2026-10-05: 1,610 OI2026-10-06: 1,652 OI2026-10-07: 1,769 OI2026-10-08: 1,769 OI2026-10-09: 1,785 OI2026-10-14: 1,786 OI2026-10-15: 1,786 OI2026-10-16: 1,787 OI2026-10-21: 1,787 OI2026-10-23: 1,723 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,723-64
Oct 21, 20261,7870
Oct 16, 20261,787+1
Oct 15, 20261,7860
Oct 14, 20261,786+1
Oct 09, 20261,785+16
Oct 08, 20261,7690
Oct 07, 20261,769+117
Oct 06, 20261,652+42
Oct 05, 20261,6100
Oct 02, 20261,610No prior observation