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Contract OI history

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Nov 20, 2026 EXPIRATION

CENX $50.00 Call

CENX261120C00050000

Latest saved OI207Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CENX $50.00 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. 2081040 2026-10-08: 204 OI2026-10-09: 204 OI2026-10-13: 208 OI2026-10-14: 208 OI2026-10-16: 208 OI2026-10-21: 208 OI2026-10-23: 207 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, 2026Viewing207-1
Oct 21, 20262080
Oct 16, 20262080
Oct 14, 20262080
Oct 13, 2026208+4
Oct 09, 20262040
Oct 08, 2026204No prior observation