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Contract OI history

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Oct 30, 2026 EXPIRATION

AMPX $7.00 Put

AMPX261030P00007000

Latest saved OI39Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $7.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 39190 2026-10-02: 2 OI2026-10-05: 4 OI2026-10-06: 4 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 6 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 7 OI2026-10-16: 8 OI2026-10-21: 30 OI2026-10-23: 39 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, 2026Viewing39+9
Oct 21, 202630+22
Oct 16, 20268+1
Oct 15, 20267+1
Oct 14, 202660
Oct 13, 202660
Oct 09, 202660
Oct 08, 202660
Oct 07, 20266+2
Oct 06, 202640
Oct 05, 20264+2
Oct 02, 20262No prior observation