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Contract OI history

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Nov 20, 2026 EXPIRATION

ASTH $40.00 Call

ASTH261120C00040000

Latest saved OI897Oct 20, 2026
Last change+39vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ASTH $40.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 8974480 2026-10-08: 839 OI2026-10-09: 859 OI2026-10-13: 858 OI2026-10-14: 858 OI2026-10-16: 858 OI2026-10-20: 897 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, 2026Viewing897+39
Oct 16, 20268580
Oct 14, 20268580
Oct 13, 2026858-1
Oct 09, 2026859+20
Oct 08, 2026839No prior observation