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Contract OI history

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Nov 20, 2026 EXPIRATION

BOX $36.00 Put

BOX261120P00036000

Latest saved OI145Oct 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 $36.00 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. 145720 2026-10-02: 0 OI2026-10-05: 90 OI2026-10-06: 90 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 117 OI2026-10-16: 117 OI2026-10-20: 145 OI2026-10-23: 145 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, 2026Viewing1450
Oct 20, 2026145+28
Oct 16, 20261170
Oct 15, 2026117+5
Oct 14, 20261120
Oct 13, 2026112+1
Oct 08, 20261110
Oct 07, 2026111+21
Oct 06, 2026900
Oct 05, 202690+90
Oct 02, 20260No prior observation