OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BE $40.00 Put

BE280121P00040000

Latest saved OI836Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BE $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8364180 2026-10-02: 825 OI2026-10-05: 823 OI2026-10-06: 823 OI2026-10-07: 823 OI2026-10-08: 823 OI2026-10-09: 822 OI2026-10-13: 820 OI2026-10-14: 820 OI2026-10-15: 820 OI2026-10-16: 821 OI2026-10-21: 835 OI2026-10-23: 836 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing836+1
Oct 21, 2026835+14
Oct 16, 2026821+1
Oct 15, 20268200
Oct 14, 20268200
Oct 13, 2026820-2
Oct 09, 2026822-1
Oct 08, 20268230
Oct 07, 20268230
Oct 06, 20268230
Oct 05, 2026823-2
Oct 02, 2026825No prior observation