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Contract OI history

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Nov 20, 2026 EXPIRATION

BORR $4.00 Put

BORR261120P00004000

Latest saved OI5,032Oct 23, 2026
Last change+387vs 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. 5,0322,5160 2026-10-02: 3,606 OI2026-10-05: 3,651 OI2026-10-06: 3,656 OI2026-10-07: 3,755 OI2026-10-08: 3,755 OI2026-10-09: 3,806 OI2026-10-13: 3,830 OI2026-10-14: 3,815 OI2026-10-15: 3,989 OI2026-10-16: 4,063 OI2026-10-21: 4,645 OI2026-10-23: 5,032 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, 2026Viewing5,032+387
Oct 21, 20264,645+582
Oct 16, 20264,063+74
Oct 15, 20263,989+174
Oct 14, 20263,815-15
Oct 13, 20263,830+24
Oct 09, 20263,806+51
Oct 08, 20263,7550
Oct 07, 20263,755+99
Oct 06, 20263,656+5
Oct 05, 20263,651+45
Oct 02, 20263,606No prior observation