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Contract OI history

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Oct 23, 2026 EXPIRATION

AMPX $9.00 Put

AMPX261023P00009000

Latest saved OI127Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $9.00 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. 2121060 2026-10-02: 79 OI2026-10-05: 160 OI2026-10-06: 159 OI2026-10-07: 161 OI2026-10-08: 161 OI2026-10-09: 207 OI2026-10-13: 212 OI2026-10-14: 212 OI2026-10-15: 177 OI2026-10-16: 166 OI2026-10-21: 134 OI2026-10-23: 127 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, 2026Viewing127-7
Oct 21, 2026134-32
Oct 16, 2026166-11
Oct 15, 2026177-35
Oct 14, 20262120
Oct 13, 2026212+5
Oct 09, 2026207+46
Oct 08, 20261610
Oct 07, 2026161+2
Oct 06, 2026159-1
Oct 05, 2026160+81
Oct 02, 202679No prior observation