Contract OI history

Back to ASST

Nov 06, 2026 EXPIRATION

ASST $28.50 Put

ASST261106P00028500

Latest saved OI11Oct 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 $28.50 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. 1150 2026-10-09: 4 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-15: 4 OI2026-10-16: 9 OI2026-10-21: 9 OI2026-10-23: 11 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, 2026Viewing11+2
Oct 21, 202690
Oct 16, 20269+5
Oct 15, 202640
Oct 14, 202640
Oct 13, 202640
Oct 09, 20264No prior observation