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Contract OI history

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Jan 21, 2028 EXPIRATION

CMPX $4.00 Call

CMPX280121C00004000

Latest saved OI89Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CMPX $4.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 89440 2026-10-08: 89 OI2026-10-13: 89 OI2026-10-14: 89 OI2026-10-16: 89 OI2026-10-21: 89 OI2026-10-23: 89 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CMPX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing890
Oct 21, 2026890
Oct 16, 2026890
Oct 14, 2026890
Oct 13, 2026890
Oct 08, 202689No prior observation