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Contract OI history

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Dec 18, 2026 EXPIRATION

ASST $20.00 Put

ASST261218P00020000

Latest saved OI3,196Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $20.00 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. 3,2121,6060 2026-10-09: 3,212 OI2026-10-13: 3,212 OI2026-10-14: 3,212 OI2026-10-15: 3,187 OI2026-10-16: 3,197 OI2026-10-21: 3,195 OI2026-10-23: 3,196 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, 2026Viewing3,196+1
Oct 21, 20263,195-2
Oct 16, 20263,197+10
Oct 15, 20263,187-25
Oct 14, 20263,2120
Oct 13, 20263,2120
Oct 09, 20263,212No prior observation