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Contract OI history

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Nov 20, 2026 EXPIRATION

ASO $50.00 Put

ASO261120P00050000

Latest saved OI1,267Oct 20, 2026
Last change+103vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASO $50.00 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. 1,2676330 2026-10-09: 12 OI2026-10-13: 8 OI2026-10-14: 28 OI2026-10-16: 1,164 OI2026-10-20: 1,267 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, 2026Viewing1,267+103
Oct 16, 20261,164+1,136
Oct 14, 202628+20
Oct 13, 20268-4
Oct 09, 202612No prior observation