OITracker Cboe delayed data

Contract OI history

Back to BOX

Mar 19, 2027 EXPIRATION

BOX $37.00 Put

BOX270319P00037000

Latest saved OI712Oct 23, 2026
Last change+22vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOX $37.00 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. 7123560 2026-10-02: 520 OI2026-10-05: 520 OI2026-10-06: 520 OI2026-10-07: 520 OI2026-10-08: 520 OI2026-10-13: 521 OI2026-10-14: 521 OI2026-10-15: 525 OI2026-10-16: 575 OI2026-10-20: 690 OI2026-10-23: 712 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, 2026Viewing712+22
Oct 20, 2026690+115
Oct 16, 2026575+50
Oct 15, 2026525+4
Oct 14, 20265210
Oct 13, 2026521+1
Oct 08, 20265200
Oct 07, 20265200
Oct 06, 20265200
Oct 05, 20265200
Oct 02, 2026520No prior observation