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Contract OI history

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Jun 17, 2027 EXPIRATION

ASST $21.00 Put

ASST270617P00021000

Latest saved OI44Oct 23, 2026
Last change+44vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $21.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 44220 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 0 OI2026-10-23: 44 OI Oct 15, 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, 2026Viewing44+44
Oct 21, 202600
Oct 16, 202600
Oct 15, 20260No prior observation