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Contract OI history

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Feb 19, 2027 EXPIRATION

BORR $4.00 Put

BORR270219P00004000

Latest saved OI1,147Oct 23, 2026
Last change-90vs 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. 1,2406200 2026-10-02: 1,224 OI2026-10-05: 1,229 OI2026-10-06: 1,230 OI2026-10-07: 1,240 OI2026-10-08: 1,237 OI2026-10-09: 1,237 OI2026-10-13: 1,235 OI2026-10-14: 1,234 OI2026-10-15: 1,216 OI2026-10-16: 1,231 OI2026-10-21: 1,237 OI2026-10-23: 1,147 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, 2026Viewing1,147-90
Oct 21, 20261,237+6
Oct 16, 20261,231+15
Oct 15, 20261,216-18
Oct 14, 20261,234-1
Oct 13, 20261,235-2
Oct 09, 20261,2370
Oct 08, 20261,237-3
Oct 07, 20261,240+10
Oct 06, 20261,230+1
Oct 05, 20261,229+5
Oct 02, 20261,224No prior observation