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Contract OI history

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Jan 15, 2027 EXPIRATION

CENX $55.00 Call

CENX270115C00055000

Latest saved OI1,876Oct 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. 1,8789390 2026-10-08: 1,878 OI2026-10-09: 1,878 OI2026-10-13: 1,878 OI2026-10-14: 1,878 OI2026-10-16: 1,877 OI2026-10-21: 1,876 OI2026-10-23: 1,876 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, 2026Viewing1,8760
Oct 21, 20261,876-1
Oct 16, 20261,877-1
Oct 14, 20261,8780
Oct 13, 20261,8780
Oct 09, 20261,8780
Oct 08, 20261,878No prior observation