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Contract OI history

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Nov 20, 2026 EXPIRATION

AMPX $9.50 Call

AMPX261120C00009500

Latest saved OI127Oct 23, 2026
Last change+15vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $9.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 127630 2026-10-21: 112 OI2026-10-23: 127 OI Oct 21, 2026Oct 23, 2026

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

AMPX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing127+15
Oct 21, 2026112No prior observation