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Contract OI history

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Jun 16, 2028 EXPIRATION

AMPX $8.00 Put

AMPX280616P00008000

Latest saved OI158Oct 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 $8.00 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. 160800 2026-10-02: 155 OI2026-10-05: 155 OI2026-10-06: 155 OI2026-10-07: 160 OI2026-10-08: 160 OI2026-10-09: 158 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-15: 158 OI2026-10-16: 158 OI2026-10-21: 158 OI2026-10-23: 158 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, 2026Viewing1580
Oct 21, 20261580
Oct 16, 20261580
Oct 15, 20261580
Oct 14, 20261580
Oct 13, 20261580
Oct 09, 2026158-2
Oct 08, 20261600
Oct 07, 2026160+5
Oct 06, 20261550
Oct 05, 20261550
Oct 02, 2026155No prior observation