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Contract OI history

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Nov 20, 2026 EXPIRATION

CTNM $7.50 Put

CTNM261120P00007500

Latest saved OI24Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CTNM $7.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 27130 2026-10-08: 27 OI2026-10-09: 27 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-16: 19 OI2026-10-20: 20 OI2026-10-23: 24 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, 2026Viewing24+4
Oct 20, 202620+1
Oct 16, 2026190
Oct 14, 2026190
Oct 13, 202619-8
Oct 09, 2026270
Oct 08, 202627No prior observation