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Contract OI history

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Nov 20, 2026 EXPIRATION

AMPX $12.00 Put

AMPX261120P00012000

Latest saved OI2,064Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $12.00 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. 2,0641,0320 2026-10-02: 2,054 OI2026-10-05: 2,054 OI2026-10-06: 2,056 OI2026-10-07: 2,056 OI2026-10-08: 2,056 OI2026-10-09: 2,056 OI2026-10-13: 2,056 OI2026-10-14: 2,056 OI2026-10-15: 2,051 OI2026-10-16: 2,058 OI2026-10-21: 2,062 OI2026-10-23: 2,064 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, 2026Viewing2,064+2
Oct 21, 20262,062+4
Oct 16, 20262,058+7
Oct 15, 20262,051-5
Oct 14, 20262,0560
Oct 13, 20262,0560
Oct 09, 20262,0560
Oct 08, 20262,0560
Oct 07, 20262,0560
Oct 06, 20262,056+2
Oct 05, 20262,0540
Oct 02, 20262,054No prior observation