OITracker Cboe delayed data

Contract OI history

Back to ASST

Dec 18, 2026 EXPIRATION

ASST $31.00 Put

ASST261218P00031000

Latest saved OI32Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $31.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 32160 2026-10-09: 17 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-15: 22 OI2026-10-16: 23 OI2026-10-21: 30 OI2026-10-23: 32 OI Oct 09, 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, 2026Viewing32+2
Oct 21, 202630+7
Oct 16, 202623+1
Oct 15, 2026220
Oct 14, 2026220
Oct 13, 202622+5
Oct 09, 202617No prior observation