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Contract OI history

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Nov 20, 2026 EXPIRATION

ASO $52.50 Put

ASO261120P00052500

Latest saved OI87Oct 20, 2026
Last change+25vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASO $52.50 put open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 87430 2026-10-09: 0 OI2026-10-13: 4 OI2026-10-14: 18 OI2026-10-16: 62 OI2026-10-20: 87 OI Oct 09, 2026Oct 20, 2026

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

ASO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing87+25
Oct 16, 202662+44
Oct 14, 202618+14
Oct 13, 20264+4
Oct 09, 20260No prior observation