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Contract OI history

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Dec 18, 2026 EXPIRATION

ATEC $10.00 Call

ATEC261218C00010000

Latest saved OI130Oct 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 $10.00 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. 130650 2026-10-09: 129 OI2026-10-13: 129 OI2026-10-15: 129 OI2026-10-16: 130 OI2026-10-20: 130 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, 2026Viewing1300
Oct 16, 2026130+1
Oct 15, 20261290
Oct 13, 20261290
Oct 09, 2026129No prior observation