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Contract OI history

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Nov 20, 2026 EXPIRATION

BOX $35.00 Put

BOX261120P00035000

Latest saved OI166Oct 23, 2026
Last change+33vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOX $35.00 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. 166830 2026-10-02: 2 OI2026-10-05: 92 OI2026-10-06: 92 OI2026-10-07: 92 OI2026-10-08: 112 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 113 OI2026-10-16: 118 OI2026-10-20: 133 OI2026-10-23: 166 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, 2026Viewing166+33
Oct 20, 2026133+15
Oct 16, 2026118+5
Oct 15, 2026113+1
Oct 14, 20261120
Oct 13, 20261120
Oct 08, 2026112+20
Oct 07, 2026920
Oct 06, 2026920
Oct 05, 202692+90
Oct 02, 20262No prior observation