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Contract OI history

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Dec 18, 2026 EXPIRATION

BOX $30.00 Put

BOX261218P00030000

Latest saved OI194Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOX $30.00 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. 2371180 2026-10-02: 237 OI2026-10-05: 237 OI2026-10-06: 217 OI2026-10-07: 217 OI2026-10-08: 217 OI2026-10-13: 220 OI2026-10-14: 220 OI2026-10-15: 199 OI2026-10-16: 202 OI2026-10-20: 196 OI2026-10-23: 194 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, 2026Viewing194-2
Oct 20, 2026196-6
Oct 16, 2026202+3
Oct 15, 2026199-21
Oct 14, 20262200
Oct 13, 2026220+3
Oct 08, 20262170
Oct 07, 20262170
Oct 06, 2026217-20
Oct 05, 20262370
Oct 02, 2026237No prior observation