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Contract OI history

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Feb 19, 2027 EXPIRATION

AQST $4.00 Put

AQST270219P00004000

Latest saved OI2,269Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AQST $4.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,2691,1340 2026-10-09: 2,261 OI2026-10-13: 2,261 OI2026-10-14: 2,261 OI2026-10-16: 2,269 OI2026-10-20: 2,269 OI2026-10-23: 2,269 OI Oct 09, 2026Oct 23, 2026

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

AQST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,2690
Oct 20, 20262,2690
Oct 16, 20262,269+8
Oct 14, 20262,2610
Oct 13, 20262,2610
Oct 09, 20262,261No prior observation