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Contract OI history

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Dec 18, 2026 EXPIRATION

BCS $27.00 Call

BCS261218C00027000

Latest saved OI359Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BCS $27.00 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. 3591790 2026-10-02: 194 OI2026-10-05: 194 OI2026-10-06: 193 OI2026-10-07: 359 OI2026-10-08: 359 OI2026-10-09: 359 OI2026-10-13: 359 OI2026-10-14: 359 OI2026-10-15: 359 OI2026-10-16: 359 OI2026-10-21: 359 OI2026-10-23: 359 OI Oct 02, 2026Oct 23, 2026

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

BCS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3590
Oct 21, 20263590
Oct 16, 20263590
Oct 15, 20263590
Oct 14, 20263590
Oct 13, 20263590
Oct 09, 20263590
Oct 08, 20263590
Oct 07, 2026359+166
Oct 06, 2026193-1
Oct 05, 20261940
Oct 02, 2026194No prior observation