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Contract OI history

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Dec 18, 2026 EXPIRATION

BOX $29.00 Put

BOX261218P00029000

Latest saved OI34Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOX $29.00 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. 35170 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 33 OI2026-10-08: 33 OI2026-10-13: 35 OI2026-10-14: 35 OI2026-10-15: 35 OI2026-10-16: 35 OI2026-10-20: 34 OI2026-10-23: 34 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, 2026Viewing340
Oct 20, 202634-1
Oct 16, 2026350
Oct 15, 2026350
Oct 14, 2026350
Oct 13, 202635+2
Oct 08, 2026330
Oct 07, 2026330
Oct 06, 2026330
Oct 05, 2026330
Oct 02, 202633No prior observation