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Contract OI history

Back to BF.B

Jan 21, 2028 EXPIRATION

BF.B $17.50 Put

BFB280121P00017500

Latest saved OI86Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BF.B $17.50 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. 86430 2026-10-02: 71 OI2026-10-05: 71 OI2026-10-06: 71 OI2026-10-07: 71 OI2026-10-08: 71 OI2026-10-09: 71 OI2026-10-13: 71 OI2026-10-14: 71 OI2026-10-15: 71 OI2026-10-16: 71 OI2026-10-21: 71 OI2026-10-23: 86 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, 2026Viewing86+15
Oct 21, 2026710
Oct 16, 2026710
Oct 15, 2026710
Oct 14, 2026710
Oct 13, 2026710
Oct 09, 2026710
Oct 08, 2026710
Oct 07, 2026710
Oct 06, 2026710
Oct 05, 2026710
Oct 02, 202671No prior observation