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Contract OI history

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Oct 23, 2026 EXPIRATION

AMPX $10.50 Put

AMPX261023P00010500

Latest saved OI1Oct 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 $10.50 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. 4182090 2026-10-02: 418 OI2026-10-05: 418 OI2026-10-06: 418 OI2026-10-07: 418 OI2026-10-08: 418 OI2026-10-09: 418 OI2026-10-13: 418 OI2026-10-14: 418 OI2026-10-15: 1 OI2026-10-16: 2 OI2026-10-21: 1 OI2026-10-23: 1 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, 2026Viewing10
Oct 21, 20261-1
Oct 16, 20262+1
Oct 15, 20261-417
Oct 14, 20264180
Oct 13, 20264180
Oct 09, 20264180
Oct 08, 20264180
Oct 07, 20264180
Oct 06, 20264180
Oct 05, 20264180
Oct 02, 2026418No prior observation