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Contract OI history

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Feb 19, 2027 EXPIRATION

ASTH $22.50 Put

ASTH270219P00022500

Latest saved OI33Oct 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. 33160 2026-10-08: 33 OI2026-10-09: 33 OI2026-10-13: 33 OI2026-10-14: 33 OI2026-10-16: 33 OI2026-10-20: 33 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, 2026Viewing330
Oct 16, 2026330
Oct 14, 2026330
Oct 13, 2026330
Oct 09, 2026330
Oct 08, 202633No prior observation