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Contract OI history

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Jan 15, 2027 EXPIRATION

CENX $25.00 Call

CENX270115C00025000

Latest saved OI277Oct 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 $25.00 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. 2771380 2026-10-08: 274 OI2026-10-09: 274 OI2026-10-13: 274 OI2026-10-14: 274 OI2026-10-16: 276 OI2026-10-21: 276 OI2026-10-23: 277 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, 2026Viewing277+1
Oct 21, 20262760
Oct 16, 2026276+2
Oct 14, 20262740
Oct 13, 20262740
Oct 09, 20262740
Oct 08, 2026274No prior observation