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Contract OI history

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Nov 20, 2026 EXPIRATION

ATOM $2.50 Call

ATOM261120C00002500

Latest saved OI18Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ATOM $2.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1890 2026-10-08: 3 OI2026-10-09: 6 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-16: 6 OI2026-10-20: 9 OI2026-10-23: 18 OI Oct 08, 2026Oct 23, 2026

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

ATOM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing18+9
Oct 20, 20269+3
Oct 16, 202660
Oct 14, 202660
Oct 13, 202660
Oct 09, 20266+3
Oct 08, 20263No prior observation