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Contract OI history

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Jan 21, 2028 EXPIRATION

AMPX $35.00 Call

AMPX280121C00035000

Latest saved OI168Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $35.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 178890 2026-10-02: 167 OI2026-10-05: 177 OI2026-10-06: 177 OI2026-10-07: 177 OI2026-10-08: 177 OI2026-10-09: 177 OI2026-10-13: 177 OI2026-10-14: 177 OI2026-10-15: 178 OI2026-10-16: 178 OI2026-10-21: 178 OI2026-10-23: 168 OI Oct 02, 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, 2026Viewing168-10
Oct 21, 20261780
Oct 16, 20261780
Oct 15, 2026178+1
Oct 14, 20261770
Oct 13, 20261770
Oct 09, 20261770
Oct 08, 20261770
Oct 07, 20261770
Oct 06, 20261770
Oct 05, 2026177+10
Oct 02, 2026167No prior observation