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Contract OI history

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Jan 21, 2028 EXPIRATION

ASPI $10.00 Put

ASPI280121P00010000

Latest saved OI173Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASPI $10.00 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. 191950 2026-10-09: 191 OI2026-10-13: 191 OI2026-10-14: 173 OI2026-10-16: 173 OI2026-10-20: 173 OI2026-10-23: 173 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, 2026Viewing1730
Oct 20, 20261730
Oct 16, 20261730
Oct 14, 2026173-18
Oct 13, 20261910
Oct 09, 2026191No prior observation