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Contract OI history

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Dec 18, 2026 EXPIRATION

AMPL $11.00 Put

AMPL261218P00011000

Latest saved OI203Oct 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 $11.00 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. 2031010 2026-10-08: 155 OI2026-10-09: 155 OI2026-10-13: 203 OI2026-10-14: 203 OI2026-10-16: 203 OI2026-10-20: 203 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, 2026Viewing2030
Oct 16, 20262030
Oct 14, 20262030
Oct 13, 2026203+48
Oct 09, 20261550
Oct 08, 2026155No prior observation