OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BORR $4.00 Put

BORR270115P00004000

Latest saved OI2,901Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BORR $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. 2,9011,4500 2026-10-02: 2,812 OI2026-10-05: 2,839 OI2026-10-06: 2,844 OI2026-10-07: 2,844 OI2026-10-08: 2,877 OI2026-10-09: 2,877 OI2026-10-13: 2,875 OI2026-10-14: 2,875 OI2026-10-15: 2,865 OI2026-10-16: 2,855 OI2026-10-21: 2,886 OI2026-10-23: 2,901 OI Oct 02, 2026Oct 23, 2026

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

BORR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,901+15
Oct 21, 20262,886+31
Oct 16, 20262,855-10
Oct 15, 20262,865-10
Oct 14, 20262,8750
Oct 13, 20262,875-2
Oct 09, 20262,8770
Oct 08, 20262,877+33
Oct 07, 20262,8440
Oct 06, 20262,844+5
Oct 05, 20262,839+27
Oct 02, 20262,812No prior observation