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Contract OI history

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Oct 30, 2026 EXPIRATION

AMPX $8.50 Call

AMPX261030C00008500

Latest saved OI773Oct 23, 2026
Last change+546vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $8.50 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. 7733860 2026-10-02: 214 OI2026-10-05: 214 OI2026-10-06: 214 OI2026-10-07: 214 OI2026-10-08: 214 OI2026-10-09: 214 OI2026-10-13: 215 OI2026-10-14: 215 OI2026-10-15: 215 OI2026-10-16: 216 OI2026-10-21: 227 OI2026-10-23: 773 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, 2026Viewing773+546
Oct 21, 2026227+11
Oct 16, 2026216+1
Oct 15, 20262150
Oct 14, 20262150
Oct 13, 2026215+1
Oct 09, 20262140
Oct 08, 20262140
Oct 07, 20262140
Oct 06, 20262140
Oct 05, 20262140
Oct 02, 2026214No prior observation