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Contract OI history

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Oct 23, 2026 EXPIRATION

ASST $27.50 Put

ASST261023P00027500

Latest saved OI342Oct 23, 2026
Last change+187vs 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. 3421710 2026-10-09: 144 OI2026-10-13: 159 OI2026-10-14: 159 OI2026-10-15: 145 OI2026-10-16: 142 OI2026-10-21: 155 OI2026-10-23: 342 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, 2026Viewing342+187
Oct 21, 2026155+13
Oct 16, 2026142-3
Oct 15, 2026145-14
Oct 14, 20261590
Oct 13, 2026159+15
Oct 09, 2026144No prior observation