OITracker Cboe delayed data

Contract OI history

Back to ASST

Dec 18, 2026 EXPIRATION

ASST $55.00 Call

ASST261218C00055000

Latest saved OI1,132Oct 23, 2026
Last change+91vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $55.00 call open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 1,1325660 2026-10-13: 991 OI2026-10-14: 991 OI2026-10-15: 1,006 OI2026-10-16: 1,026 OI2026-10-21: 1,041 OI2026-10-23: 1,132 OI Oct 13, 2026Oct 23, 2026

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

ASST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,132+91
Oct 21, 20261,041+15
Oct 16, 20261,026+20
Oct 15, 20261,006+15
Oct 14, 20269910
Oct 13, 2026991No prior observation