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Contract OI history

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Jan 15, 2027 EXPIRATION

ATEC $15.00 Call

ATEC270115C00015000

Latest saved OI701Oct 20, 2026
Last change-3vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ATEC $15.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 7813900 2026-10-09: 781 OI2026-10-13: 704 OI2026-10-15: 704 OI2026-10-16: 704 OI2026-10-20: 701 OI Oct 09, 2026Oct 20, 2026

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

ATEC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing701-3
Oct 16, 20267040
Oct 15, 20267040
Oct 13, 2026704-77
Oct 09, 2026781No prior observation