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Contract OI history

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Apr 16, 2027 EXPIRATION

CTNM $12.50 Put

CTNM270416P00012500

Latest saved OI15Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CTNM $12.50 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. 1570 2026-10-08: 3 OI2026-10-09: 12 OI2026-10-13: 12 OI2026-10-14: 12 OI2026-10-16: 12 OI2026-10-20: 12 OI2026-10-23: 15 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, 2026Viewing15+3
Oct 20, 2026120
Oct 16, 2026120
Oct 14, 2026120
Oct 13, 2026120
Oct 09, 202612+9
Oct 08, 20263No prior observation