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Contract OI history

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Jan 21, 2028 EXPIRATION

ATEC $7.50 Call

ATEC280121C00007500

Latest saved OI647Oct 20, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ATEC $7.50 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. 6483240 2026-10-09: 648 OI2026-10-13: 647 OI2026-10-15: 647 OI2026-10-16: 647 OI2026-10-20: 647 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, 2026Viewing6470
Oct 16, 20266470
Oct 15, 20266470
Oct 13, 2026647-1
Oct 09, 2026648No prior observation