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Contract OI history

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Nov 20, 2026 EXPIRATION

ASST $28.00 Put

ASST261120P00028000

Latest saved OI1,472Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $28.00 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. 1,4927460 2026-10-09: 821 OI2026-10-13: 854 OI2026-10-14: 854 OI2026-10-15: 865 OI2026-10-16: 1,492 OI2026-10-21: 1,467 OI2026-10-23: 1,472 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, 2026Viewing1,472+5
Oct 21, 20261,467-25
Oct 16, 20261,492+627
Oct 15, 2026865+11
Oct 14, 20268540
Oct 13, 2026854+33
Oct 09, 2026821No prior observation