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Contract OI history

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Jan 15, 2027 EXPIRATION

ASO $50.00 Put

ASO270115P00050000

Latest saved OI245Oct 20, 2026
Last change-5vs 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. 2501250 2026-10-09: 250 OI2026-10-13: 250 OI2026-10-14: 250 OI2026-10-16: 250 OI2026-10-20: 245 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, 2026Viewing245-5
Oct 16, 20262500
Oct 14, 20262500
Oct 13, 20262500
Oct 09, 2026250No prior observation