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Contract OI history

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Oct 23, 2026 EXPIRATION

ASPI $3.50 Put

ASPI261023P00003500

Latest saved OI52Oct 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 $3.50 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. 156780 2026-10-09: 156 OI2026-10-13: 155 OI2026-10-14: 51 OI2026-10-16: 51 OI2026-10-20: 52 OI2026-10-23: 52 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, 2026Viewing520
Oct 20, 202652+1
Oct 16, 2026510
Oct 14, 202651-104
Oct 13, 2026155-1
Oct 09, 2026156No prior observation