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Contract OI history

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Dec 18, 2026 EXPIRATION

CERS $4.00 Call

CERS261218C00004000

Latest saved OI1,099Oct 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 $4.00 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. 1,0995490 2026-10-09: 1,099 OI2026-10-13: 1,099 OI2026-10-14: 1,099 OI2026-10-16: 1,099 OI2026-10-20: 1,099 OI2026-10-23: 1,099 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, 2026Viewing1,0990
Oct 20, 20261,0990
Oct 16, 20261,0990
Oct 14, 20261,0990
Oct 13, 20261,0990
Oct 09, 20261,099No prior observation