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Contract OI history

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Mar 19, 2027 EXPIRATION

ASST $28.00 Put

ASST270319P00028000

Latest saved OI218Oct 23, 2026
Last change-6vs 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. 2241120 2026-10-09: 115 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 115 OI2026-10-21: 224 OI2026-10-23: 218 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, 2026Viewing218-6
Oct 21, 2026224+109
Oct 16, 20261150
Oct 15, 20261150
Oct 14, 20261150
Oct 13, 20261150
Oct 09, 2026115No prior observation