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Contract OI history

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Nov 20, 2026 EXPIRATION

BOX $38.00 Put

BOX261120P00038000

Latest saved OI80Oct 23, 2026
Last change+20vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOX $38.00 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. 80400 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-15: 24 OI2026-10-16: 29 OI2026-10-20: 60 OI2026-10-23: 80 OI Oct 02, 2026Oct 23, 2026

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

BOX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing80+20
Oct 20, 202660+31
Oct 16, 202629+5
Oct 15, 202624+14
Oct 14, 2026100
Oct 13, 2026100
Oct 08, 2026100
Oct 07, 2026100
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation