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Contract OI history

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Mar 19, 2027 EXPIRATION

AMPX $11.00 Put

AMPX270319P00011000

Latest saved OI250Oct 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 $11.00 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. 2601300 2026-10-02: 249 OI2026-10-05: 249 OI2026-10-06: 250 OI2026-10-07: 250 OI2026-10-08: 250 OI2026-10-09: 250 OI2026-10-13: 251 OI2026-10-14: 251 OI2026-10-15: 260 OI2026-10-16: 260 OI2026-10-21: 250 OI2026-10-23: 250 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, 2026Viewing2500
Oct 21, 2026250-10
Oct 16, 20262600
Oct 15, 2026260+9
Oct 14, 20262510
Oct 13, 2026251+1
Oct 09, 20262500
Oct 08, 20262500
Oct 07, 20262500
Oct 06, 2026250+1
Oct 05, 20262490
Oct 02, 2026249No prior observation