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Contract OI history

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Jan 21, 2028 EXPIRATION

BOX $23.00 Put

BOX280121P00023000

Latest saved OI121Oct 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 $23.00 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. 129640 2026-10-02: 20 OI2026-10-05: 20 OI2026-10-06: 20 OI2026-10-07: 20 OI2026-10-08: 20 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 129 OI2026-10-16: 127 OI2026-10-20: 121 OI2026-10-23: 121 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, 2026Viewing1210
Oct 20, 2026121-6
Oct 16, 2026127-2
Oct 15, 20261290
Oct 14, 20261290
Oct 13, 2026129+109
Oct 08, 2026200
Oct 07, 2026200
Oct 06, 2026200
Oct 05, 2026200
Oct 02, 202620No prior observation