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Contract OI history

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Nov 20, 2026 EXPIRATION

ATEC $10.00 Call

ATEC261120C00010000

Latest saved OI206Oct 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. 2061030 2026-10-09: 172 OI2026-10-13: 172 OI2026-10-15: 200 OI2026-10-16: 206 OI2026-10-20: 206 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, 2026Viewing2060
Oct 16, 2026206+6
Oct 15, 2026200+28
Oct 13, 20261720
Oct 09, 2026172No prior observation