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Contract OI history

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Nov 20, 2026 EXPIRATION

CERS $2.00 Call

CERS261120C00002000

Latest saved OI30Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CERS $2.00 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. 30150 2026-10-09: 20 OI2026-10-13: 20 OI2026-10-14: 20 OI2026-10-16: 30 OI2026-10-20: 30 OI2026-10-23: 30 OI Oct 09, 2026Oct 23, 2026

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

CERS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing300
Oct 20, 2026300
Oct 16, 202630+10
Oct 14, 2026200
Oct 13, 2026200
Oct 09, 202620No prior observation