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Contract OI history

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Dec 18, 2026 EXPIRATION

CENX $45.00 Call

CENX261218C00045000

Latest saved OI5,793Oct 23, 2026
Last change+5,605vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CENX $45.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5,7932,8960 2026-10-08: 180 OI2026-10-09: 181 OI2026-10-13: 181 OI2026-10-14: 181 OI2026-10-16: 186 OI2026-10-21: 188 OI2026-10-23: 5,793 OI Oct 08, 2026Oct 23, 2026

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

CENX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,793+5,605
Oct 21, 2026188+2
Oct 16, 2026186+5
Oct 14, 20261810
Oct 13, 20261810
Oct 09, 2026181+1
Oct 08, 2026180No prior observation