OITracker Cboe delayed data

Contract OI history

Back to ATEC

Jan 21, 2028 EXPIRATION

ATEC $2.50 Call

ATEC280121C00002500

Latest saved OI739Oct 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 $2.50 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. 7393690 2026-10-09: 739 OI2026-10-13: 739 OI2026-10-15: 739 OI2026-10-16: 739 OI2026-10-20: 739 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, 2026Viewing7390
Oct 16, 20267390
Oct 15, 20267390
Oct 13, 20267390
Oct 09, 2026739No prior observation