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Contract OI history

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Oct 23, 2026 EXPIRATION

ASST $21.50 Put

ASST261023P00021500

Latest saved OI518Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $21.50 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. 5182590 2026-10-09: 81 OI2026-10-13: 89 OI2026-10-14: 89 OI2026-10-15: 91 OI2026-10-16: 90 OI2026-10-21: 518 OI2026-10-23: 518 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, 2026Viewing5180
Oct 21, 2026518+428
Oct 16, 202690-1
Oct 15, 202691+2
Oct 14, 2026890
Oct 13, 202689+8
Oct 09, 202681No prior observation