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Contract OI history

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Oct 30, 2026 EXPIRATION

AMPX $7.50 Put

AMPX261030P00007500

Latest saved OI236Oct 23, 2026
Last change+111vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPX $7.50 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. 2361180 2026-10-02: 86 OI2026-10-05: 90 OI2026-10-06: 92 OI2026-10-07: 92 OI2026-10-08: 92 OI2026-10-09: 93 OI2026-10-13: 93 OI2026-10-14: 93 OI2026-10-15: 107 OI2026-10-16: 107 OI2026-10-21: 125 OI2026-10-23: 236 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, 2026Viewing236+111
Oct 21, 2026125+18
Oct 16, 20261070
Oct 15, 2026107+14
Oct 14, 2026930
Oct 13, 2026930
Oct 09, 202693+1
Oct 08, 2026920
Oct 07, 2026920
Oct 06, 202692+2
Oct 05, 202690+4
Oct 02, 202686No prior observation