OITracker Cboe delayed data

Contract OI history

Back to ATEC

Dec 18, 2026 EXPIRATION

ATEC $15.00 Put

ATEC261218P00015000

Latest saved OI17Oct 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 $15.00 put open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 1780 2026-10-09: 17 OI2026-10-13: 17 OI2026-10-15: 17 OI2026-10-16: 17 OI2026-10-20: 17 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, 2026Viewing170
Oct 16, 2026170
Oct 15, 2026170
Oct 13, 2026170
Oct 09, 202617No prior observation