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Contract OI history

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Nov 20, 2026 EXPIRATION

AMPL $13.00 Put

AMPL261120P00013000

Latest saved OI3,150Oct 20, 2026
Last change+3,050vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMPL $13.00 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. 3,1501,5750 2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-16: 100 OI2026-10-20: 3,150 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, 2026Viewing3,150+3,050
Oct 16, 20261000
Oct 14, 20261000
Oct 13, 20261000
Oct 09, 20261000
Oct 08, 2026100No prior observation