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Contract OI history

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Nov 20, 2026 EXPIRATION

ASTH $30.00 Put

ASTH261120P00030000

Latest saved OI54Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ASTH $30.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 54270 2026-10-08: 44 OI2026-10-09: 44 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-16: 54 OI2026-10-20: 54 OI Oct 08, 2026Oct 20, 2026

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

ASTH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing540
Oct 16, 202654+9
Oct 14, 2026450
Oct 13, 202645+1
Oct 09, 2026440
Oct 08, 202644No prior observation