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Contract OI history

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Jan 15, 2027 EXPIRATION

AMPL $4.00 Put

AMPL270115P00004000

Latest saved OI113Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPL $4.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 113560 2026-10-08: 113 OI2026-10-09: 113 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-16: 113 OI2026-10-20: 113 OI Oct 08, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

AMPL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1130
Oct 16, 20261130
Oct 14, 20261130
Oct 13, 20261130
Oct 09, 20261130
Oct 08, 2026113No prior observation