OITracker Cboe delayed data

Contract OI history

Back to BF.B

Jan 15, 2027 EXPIRATION

BF.B $20.00 Put

BFB270115P00020000

Latest saved OI687Oct 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
BF.B $20.00 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. 7553770 2026-10-02: 752 OI2026-10-05: 750 OI2026-10-06: 750 OI2026-10-07: 750 OI2026-10-08: 750 OI2026-10-09: 750 OI2026-10-13: 755 OI2026-10-14: 755 OI2026-10-15: 741 OI2026-10-16: 741 OI2026-10-21: 688 OI2026-10-23: 687 OI Oct 02, 2026Oct 23, 2026

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

BF.B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing687-1
Oct 21, 2026688-53
Oct 16, 20267410
Oct 15, 2026741-14
Oct 14, 20267550
Oct 13, 2026755+5
Oct 09, 20267500
Oct 08, 20267500
Oct 07, 20267500
Oct 06, 20267500
Oct 05, 2026750-2
Oct 02, 2026752No prior observation