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Contract OI history

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Mar 19, 2027 EXPIRATION

BNC $7.50 Call

BNC270319C00007500

Latest saved OI258Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
BNC $7.50 call open interest history 6 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 2671330 2026-10-07: 267 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-16: 257 OI2026-10-20: 257 OI2026-10-23: 258 OI Oct 07, 2026Oct 23, 2026

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

BNC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing258+1
Oct 20, 20262570
Oct 16, 20262570
Oct 14, 20262570
Oct 13, 2026257-10
Oct 07, 2026267No prior observation