OITracker Cboe delayed data

Contract OI history

Back to ACIU

Nov 20, 2026 EXPIRATION

ACIU $2.50 Call

ACIU261120C00002500

Latest saved OI596Oct 23, 2026
Last change+4vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ACIU $2.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5962980 2026-10-08: 572 OI2026-10-09: 586 OI2026-10-13: 592 OI2026-10-14: 592 OI2026-10-15: 592 OI2026-10-16: 592 OI2026-10-20: 592 OI2026-10-23: 596 OI Oct 08, 2026Oct 23, 2026

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

ACIU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing596+4
Oct 20, 20265920
Oct 16, 20265920
Oct 15, 20265920
Oct 14, 20265920
Oct 13, 2026592+6
Oct 09, 2026586+14
Oct 08, 2026572No prior observation