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Contract OI history

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Nov 20, 2026 EXPIRATION

ASTH $22.50 Put

ASTH261120P00022500

Latest saved OI32Oct 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 $22.50 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. 32160 2026-10-08: 32 OI2026-10-09: 32 OI2026-10-13: 32 OI2026-10-14: 32 OI2026-10-16: 32 OI2026-10-20: 32 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, 2026Viewing320
Oct 16, 2026320
Oct 14, 2026320
Oct 13, 2026320
Oct 09, 2026320
Oct 08, 202632No prior observation