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Contract OI history

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Mar 19, 2027 EXPIRATION

CBLL $22.50 Call

CBLL270319C00022500

Latest saved OI24Oct 23, 2026
Last change-19vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CBLL $22.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 55270 2026-10-09: 55 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-16: 43 OI2026-10-20: 43 OI2026-10-23: 24 OI Oct 09, 2026Oct 23, 2026

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

CBLL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing24-19
Oct 20, 2026430
Oct 16, 2026430
Oct 14, 2026430
Oct 13, 202643-12
Oct 09, 202655No prior observation