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Contract OI history

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Nov 20, 2026 EXPIRATION

AMPX $19.00 Put

AMPX261120P00019000

Latest saved OI142Oct 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 $19.00 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. 4692340 2026-10-02: 469 OI2026-10-05: 469 OI2026-10-06: 469 OI2026-10-07: 469 OI2026-10-08: 469 OI2026-10-09: 457 OI2026-10-13: 457 OI2026-10-14: 457 OI2026-10-15: 142 OI2026-10-16: 142 OI2026-10-21: 142 OI2026-10-23: 142 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, 2026Viewing1420
Oct 21, 20261420
Oct 16, 20261420
Oct 15, 2026142-315
Oct 14, 20264570
Oct 13, 20264570
Oct 09, 2026457-12
Oct 08, 20264690
Oct 07, 20264690
Oct 06, 20264690
Oct 05, 20264690
Oct 02, 2026469No prior observation