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Contract OI history

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Jun 17, 2027 EXPIRATION

AMPX $9.00 Put

AMPX270617P00009000

Latest saved OI23Oct 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 $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. 23110 2026-10-02: 7 OI2026-10-05: 8 OI2026-10-06: 9 OI2026-10-07: 9 OI2026-10-08: 9 OI2026-10-09: 11 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 22 OI2026-10-16: 22 OI2026-10-21: 23 OI2026-10-23: 23 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, 2026Viewing230
Oct 21, 202623+1
Oct 16, 2026220
Oct 15, 202622+11
Oct 14, 2026110
Oct 13, 2026110
Oct 09, 202611+2
Oct 08, 202690
Oct 07, 202690
Oct 06, 20269+1
Oct 05, 20268+1
Oct 02, 20267No prior observation