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Contract OI history

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Nov 20, 2026 EXPIRATION

CTMX $4.00 Put

CTMX261120P00004000

Latest saved OI4,784Oct 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 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. 4,7842,3920 2026-10-08: 4,784 OI2026-10-09: 4,784 OI2026-10-13: 4,784 OI2026-10-14: 4,784 OI2026-10-16: 4,784 OI2026-10-21: 4,784 OI2026-10-23: 4,784 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, 2026Viewing4,7840
Oct 21, 20264,7840
Oct 16, 20264,7840
Oct 14, 20264,7840
Oct 13, 20264,7840
Oct 09, 20264,7840
Oct 08, 20264,784No prior observation