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Contract OI history

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Nov 20, 2026 EXPIRATION

CENX $55.00 Call

CENX261120C00055000

Latest saved OI692Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CENX $55.00 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. 6923460 2026-10-08: 674 OI2026-10-09: 674 OI2026-10-13: 674 OI2026-10-14: 674 OI2026-10-16: 674 OI2026-10-21: 692 OI2026-10-23: 692 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, 2026Viewing6920
Oct 21, 2026692+18
Oct 16, 20266740
Oct 14, 20266740
Oct 13, 20266740
Oct 09, 20266740
Oct 08, 2026674No prior observation