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Contract OI history

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Apr 16, 2027 EXPIRATION

COSM $1.50 Call

COSM270416C00001500

Latest saved OI64Oct 23, 2026
Last change-199vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
COSM $1.50 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. 2631310 2026-10-08: 235 OI2026-10-13: 258 OI2026-10-14: 258 OI2026-10-16: 262 OI2026-10-20: 263 OI2026-10-23: 64 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, 2026Viewing64-199
Oct 20, 2026263+1
Oct 16, 2026262+4
Oct 14, 20262580
Oct 13, 2026258+23
Oct 08, 2026235No prior observation