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Contract OI history

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Nov 20, 2026 EXPIRATION

AMPX $11.00 Put

AMPX261120P00011000

Latest saved OI562Oct 23, 2026
Last change+1vs 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. 5622810 2026-10-02: 544 OI2026-10-05: 544 OI2026-10-06: 544 OI2026-10-07: 544 OI2026-10-08: 544 OI2026-10-09: 545 OI2026-10-13: 548 OI2026-10-14: 548 OI2026-10-15: 562 OI2026-10-16: 562 OI2026-10-21: 561 OI2026-10-23: 562 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, 2026Viewing562+1
Oct 21, 2026561-1
Oct 16, 20265620
Oct 15, 2026562+14
Oct 14, 20265480
Oct 13, 2026548+3
Oct 09, 2026545+1
Oct 08, 20265440
Oct 07, 20265440
Oct 06, 20265440
Oct 05, 20265440
Oct 02, 2026544No prior observation