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Contract OI history

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Nov 20, 2026 EXPIRATION

ASTL $4.00 Put

ASTL261120P00004000

Latest saved OI266Oct 21, 2026
Last change+8vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASTL $4.00 put open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 2661330 2026-10-09: 251 OI2026-10-13: 251 OI2026-10-14: 251 OI2026-10-16: 258 OI2026-10-21: 266 OI Oct 09, 2026Oct 21, 2026

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

ASTL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing266+8
Oct 16, 2026258+7
Oct 14, 20262510
Oct 13, 20262510
Oct 09, 2026251No prior observation