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Contract OI history

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Dec 18, 2026 EXPIRATION

BOX $33.00 Put

BOX261218P00033000

Latest saved OI202Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOX $33.00 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. 2041020 2026-10-02: 199 OI2026-10-05: 200 OI2026-10-06: 179 OI2026-10-07: 179 OI2026-10-08: 181 OI2026-10-13: 182 OI2026-10-14: 183 OI2026-10-15: 163 OI2026-10-16: 187 OI2026-10-20: 204 OI2026-10-23: 202 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, 2026Viewing202-2
Oct 20, 2026204+17
Oct 16, 2026187+24
Oct 15, 2026163-20
Oct 14, 2026183+1
Oct 13, 2026182+1
Oct 08, 2026181+2
Oct 07, 20261790
Oct 06, 2026179-21
Oct 05, 2026200+1
Oct 02, 2026199No prior observation