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Contract OI history

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Mar 19, 2027 EXPIRATION

BOX $31.00 Put

BOX270319P00031000

Latest saved OI449Oct 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 $31.00 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. 4492240 2026-10-02: 449 OI2026-10-05: 449 OI2026-10-06: 449 OI2026-10-07: 449 OI2026-10-08: 449 OI2026-10-13: 449 OI2026-10-14: 449 OI2026-10-15: 449 OI2026-10-16: 449 OI2026-10-20: 449 OI2026-10-23: 449 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, 2026Viewing4490
Oct 20, 20264490
Oct 16, 20264490
Oct 15, 20264490
Oct 14, 20264490
Oct 13, 20264490
Oct 08, 20264490
Oct 07, 20264490
Oct 06, 20264490
Oct 05, 20264490
Oct 02, 2026449No prior observation