OITracker Cboe delayed data

Contract OI history

Back to ASPI

Jan 21, 2028 EXPIRATION

ASPI $3.00 Put

ASPI280121P00003000

Latest saved OI763Oct 23, 2026
Last change-74vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASPI $3.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8374180 2026-10-09: 835 OI2026-10-13: 836 OI2026-10-14: 836 OI2026-10-16: 837 OI2026-10-20: 837 OI2026-10-23: 763 OI Oct 09, 2026Oct 23, 2026

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

ASPI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing763-74
Oct 20, 20268370
Oct 16, 2026837+1
Oct 14, 20268360
Oct 13, 2026836+1
Oct 09, 2026835No prior observation