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Contract OI history

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Nov 20, 2026 EXPIRATION

CTNM $20.00 Call

CTNM261120C00020000

Latest saved OI120Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CTNM $20.00 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. 120600 2026-10-08: 120 OI2026-10-09: 120 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-16: 120 OI2026-10-20: 120 OI2026-10-23: 120 OI Oct 08, 2026Oct 23, 2026

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

CTNM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1200
Oct 20, 20261200
Oct 16, 20261200
Oct 14, 20261200
Oct 13, 20261200
Oct 09, 20261200
Oct 08, 2026120No prior observation