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Contract OI history

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May 21, 2027 EXPIRATION

ASTH $30.00 Put

ASTH270521P00030000

Latest saved OI21Oct 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. 21100 2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 21 OI2026-10-14: 21 OI2026-10-16: 21 OI2026-10-20: 21 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, 2026Viewing210
Oct 16, 2026210
Oct 14, 2026210
Oct 13, 2026210
Oct 09, 2026210
Oct 08, 202621No prior observation