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Contract OI history

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Oct 30, 2026 EXPIRATION

ASPI $2.50 Put

ASPI261030P00002500

Latest saved OI336Oct 23, 2026
Last change-1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASPI $2.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3371680 2026-10-09: 337 OI2026-10-13: 337 OI2026-10-14: 337 OI2026-10-16: 337 OI2026-10-20: 337 OI2026-10-23: 336 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ASPI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing336-1
Oct 20, 20263370
Oct 16, 20263370
Oct 14, 20263370
Oct 13, 20263370
Oct 09, 2026337No prior observation