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Contract OI history

Back to BF.B

Jan 21, 2028 EXPIRATION

BF.B $40.00 Call

BFB280121C00040000

Latest saved OI315Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BF.B $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3151570 2026-10-02: 243 OI2026-10-05: 243 OI2026-10-06: 243 OI2026-10-07: 243 OI2026-10-08: 243 OI2026-10-09: 243 OI2026-10-13: 293 OI2026-10-14: 293 OI2026-10-15: 288 OI2026-10-16: 314 OI2026-10-21: 315 OI2026-10-23: 315 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, 2026Viewing3150
Oct 21, 2026315+1
Oct 16, 2026314+26
Oct 15, 2026288-5
Oct 14, 20262930
Oct 13, 2026293+50
Oct 09, 20262430
Oct 08, 20262430
Oct 07, 20262430
Oct 06, 20262430
Oct 05, 20262430
Oct 02, 2026243No prior observation