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Contract OI history

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Apr 16, 2027 EXPIRATION

CTNM $20.00 Call

CTNM270416C00020000

Latest saved OI1,000Oct 23, 2026
Last change+999vs 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. 1,0005000 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-16: 1 OI2026-10-20: 1 OI2026-10-23: 1,000 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, 2026Viewing1,000+999
Oct 20, 202610
Oct 16, 202610
Oct 14, 202610
Oct 13, 20261+1
Oct 09, 202600
Oct 08, 20260No prior observation