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Contract OI history

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Jan 21, 2028 EXPIRATION

AMPX $10.00 Put

AMPX280121P00010000

Latest saved OI701Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $10.00 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. 7013500 2026-10-02: 619 OI2026-10-05: 677 OI2026-10-06: 685 OI2026-10-07: 685 OI2026-10-08: 685 OI2026-10-09: 698 OI2026-10-13: 699 OI2026-10-14: 699 OI2026-10-15: 699 OI2026-10-16: 699 OI2026-10-21: 701 OI2026-10-23: 701 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, 2026Viewing7010
Oct 21, 2026701+2
Oct 16, 20266990
Oct 15, 20266990
Oct 14, 20266990
Oct 13, 2026699+1
Oct 09, 2026698+13
Oct 08, 20266850
Oct 07, 20266850
Oct 06, 2026685+8
Oct 05, 2026677+58
Oct 02, 2026619No prior observation