OITracker Cboe delayed data

Contract OI history

Back to BF.B

Mar 19, 2027 EXPIRATION

BF.B $30.00 Call

BFB270319C00030000

Latest saved OI627Oct 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 $30.00 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. 6543270 2026-10-02: 625 OI2026-10-05: 630 OI2026-10-06: 630 OI2026-10-07: 619 OI2026-10-08: 619 OI2026-10-09: 653 OI2026-10-13: 654 OI2026-10-14: 654 OI2026-10-15: 654 OI2026-10-16: 654 OI2026-10-21: 627 OI2026-10-23: 627 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, 2026Viewing6270
Oct 21, 2026627-27
Oct 16, 20266540
Oct 15, 20266540
Oct 14, 20266540
Oct 13, 2026654+1
Oct 09, 2026653+34
Oct 08, 20266190
Oct 07, 2026619-11
Oct 06, 20266300
Oct 05, 2026630+5
Oct 02, 2026625No prior observation