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Contract OI history

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Oct 30, 2026 EXPIRATION

ASST $27.50 Put

ASST261030P00027500

Latest saved OI201Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $27.50 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. 2241120 2026-10-09: 120 OI2026-10-13: 224 OI2026-10-14: 224 OI2026-10-15: 219 OI2026-10-16: 218 OI2026-10-21: 189 OI2026-10-23: 201 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, 2026Viewing201+12
Oct 21, 2026189-29
Oct 16, 2026218-1
Oct 15, 2026219-5
Oct 14, 20262240
Oct 13, 2026224+104
Oct 09, 2026120No prior observation