OITracker Cboe delayed data

Contract OI history

Back to ATKR

Dec 18, 2026 EXPIRATION

ATKR $75.00 Call

ATKR261218C00075000

Latest saved OI277Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATKR $75.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2771380 2026-10-02: 18 OI2026-10-05: 18 OI2026-10-06: 18 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 18 OI2026-10-13: 18 OI2026-10-14: 18 OI2026-10-16: 277 OI2026-10-23: 277 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ATKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2770
Oct 16, 2026277+259
Oct 14, 2026180
Oct 13, 2026180
Oct 09, 2026180
Oct 08, 2026180
Oct 07, 2026180
Oct 06, 2026180
Oct 05, 2026180
Oct 02, 202618No prior observation