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Contract OI history

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Mar 19, 2027 EXPIRATION

AMPX $13.00 Put

AMPX270319P00013000

Latest saved OI416Oct 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 $13.00 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. 4172080 2026-10-02: 417 OI2026-10-05: 417 OI2026-10-06: 416 OI2026-10-07: 416 OI2026-10-08: 416 OI2026-10-09: 416 OI2026-10-13: 416 OI2026-10-14: 416 OI2026-10-15: 416 OI2026-10-16: 416 OI2026-10-21: 416 OI2026-10-23: 416 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, 2026Viewing4160
Oct 21, 20264160
Oct 16, 20264160
Oct 15, 20264160
Oct 14, 20264160
Oct 13, 20264160
Oct 09, 20264160
Oct 08, 20264160
Oct 07, 20264160
Oct 06, 2026416-1
Oct 05, 20264170
Oct 02, 2026417No prior observation