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Contract OI history

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Nov 20, 2026 EXPIRATION

CENX $45.00 Call

CENX261120C00045000

Latest saved OI1,723Oct 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 $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. 1,7238610 2026-10-08: 1,505 OI2026-10-09: 1,506 OI2026-10-13: 1,514 OI2026-10-14: 1,700 OI2026-10-16: 1,700 OI2026-10-21: 1,722 OI2026-10-23: 1,723 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, 2026Viewing1,723+1
Oct 21, 20261,722+22
Oct 16, 20261,7000
Oct 14, 20261,700+186
Oct 13, 20261,514+8
Oct 09, 20261,506+1
Oct 08, 20261,505No prior observation