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Contract OI history

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Mar 19, 2027 EXPIRATION

AMPX $9.00 Call

AMPX270319C00009000

Latest saved OI213Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $9.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2131060 2026-10-02: 155 OI2026-10-05: 152 OI2026-10-06: 148 OI2026-10-07: 172 OI2026-10-08: 172 OI2026-10-09: 171 OI2026-10-13: 193 OI2026-10-14: 193 OI2026-10-15: 193 OI2026-10-16: 193 OI2026-10-21: 193 OI2026-10-23: 213 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, 2026Viewing213+20
Oct 21, 20261930
Oct 16, 20261930
Oct 15, 20261930
Oct 14, 20261930
Oct 13, 2026193+22
Oct 09, 2026171-1
Oct 08, 20261720
Oct 07, 2026172+24
Oct 06, 2026148-4
Oct 05, 2026152-3
Oct 02, 2026155No prior observation