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Contract OI history

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Nov 20, 2026 EXPIRATION

COSM $7.50 Call

COSM261120C00007500

Latest saved OI159Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
COSM $7.50 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. 159790 2026-10-08: 159 OI2026-10-13: 159 OI2026-10-14: 159 OI2026-10-16: 159 OI2026-10-20: 159 OI2026-10-23: 159 OI Oct 08, 2026Oct 23, 2026

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

COSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1590
Oct 20, 20261590
Oct 16, 20261590
Oct 14, 20261590
Oct 13, 20261590
Oct 08, 2026159No prior observation