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Contract OI history

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Jan 15, 2027 EXPIRATION

ATEC $22.50 Call

ATEC270115C00022500

Latest saved OI436Oct 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 $22.50 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. 4362180 2026-10-09: 436 OI2026-10-13: 436 OI2026-10-15: 436 OI2026-10-16: 436 OI2026-10-20: 436 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, 2026Viewing4360
Oct 16, 20264360
Oct 15, 20264360
Oct 13, 20264360
Oct 09, 2026436No prior observation