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Contract OI history

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Jan 15, 2027 EXPIRATION

BCSF $12.50 Call

BCSF270115C00012500

Latest saved OI165Oct 20, 2026
Last change0vs 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. 165820 2026-10-02: 65 OI2026-10-05: 65 OI2026-10-06: 65 OI2026-10-07: 165 OI2026-10-08: 165 OI2026-10-09: 165 OI2026-10-13: 165 OI2026-10-14: 165 OI2026-10-16: 165 OI2026-10-20: 165 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, 2026Viewing1650
Oct 16, 20261650
Oct 14, 20261650
Oct 13, 20261650
Oct 09, 20261650
Oct 08, 20261650
Oct 07, 2026165+100
Oct 06, 2026650
Oct 05, 2026650
Oct 02, 202665No prior observation