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Contract OI history

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May 21, 2027 EXPIRATION

CTMX $2.00 Put

CTMX270521P00002000

Latest saved OI15Oct 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 $2.00 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. 1570 2026-10-08: 6 OI2026-10-09: 10 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-16: 11 OI2026-10-21: 15 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.

CTMX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing150
Oct 21, 202615+4
Oct 16, 2026110
Oct 14, 2026110
Oct 13, 202611+1
Oct 09, 202610+4
Oct 08, 20266No prior observation