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Contract OI history

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Jan 21, 2028 EXPIRATION

CTMX $4.00 Call

CTMX280121C00004000

Latest saved OI582Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CTMX $4.00 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. 5822910 2026-10-08: 574 OI2026-10-09: 574 OI2026-10-13: 582 OI2026-10-14: 582 OI2026-10-16: 582 OI2026-10-21: 582 OI2026-10-23: 582 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CTMX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5820
Oct 21, 20265820
Oct 16, 20265820
Oct 14, 20265820
Oct 13, 2026582+8
Oct 09, 20265740
Oct 08, 2026574No prior observation