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Contract OI history

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Oct 23, 2026 EXPIRATION

ASST $28.50 Put

ASST261023P00028500

Latest saved OI2,490Oct 23, 2026
Last change+2,397vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $28.50 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. 2,4901,2450 2026-10-09: 75 OI2026-10-13: 92 OI2026-10-14: 92 OI2026-10-15: 92 OI2026-10-16: 92 OI2026-10-21: 93 OI2026-10-23: 2,490 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, 2026Viewing2,490+2,397
Oct 21, 202693+1
Oct 16, 2026920
Oct 15, 2026920
Oct 14, 2026920
Oct 13, 202692+17
Oct 09, 202675No prior observation