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Contract OI history

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Apr 16, 2027 EXPIRATION

BCSF $12.50 Call

BCSF270416C00012500

Latest saved OI73Oct 20, 2026
Last change-3vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BCSF $12.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 76380 2026-10-02: 76 OI2026-10-05: 76 OI2026-10-06: 76 OI2026-10-07: 76 OI2026-10-08: 76 OI2026-10-09: 76 OI2026-10-13: 76 OI2026-10-14: 76 OI2026-10-16: 76 OI2026-10-20: 73 OI Oct 02, 2026Oct 20, 2026

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

BCSF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing73-3
Oct 16, 2026760
Oct 14, 2026760
Oct 13, 2026760
Oct 09, 2026760
Oct 08, 2026760
Oct 07, 2026760
Oct 06, 2026760
Oct 05, 2026760
Oct 02, 202676No prior observation