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Contract OI history

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Nov 20, 2026 EXPIRATION

AMBA $57.50 Put

AMBA261120P00057500

Latest saved OI292Oct 21, 2026
Last change+4vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBA $57.50 put open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 2921460 2026-10-09: 286 OI2026-10-13: 288 OI2026-10-14: 288 OI2026-10-16: 288 OI2026-10-21: 292 OI Oct 09, 2026Oct 21, 2026

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

AMBA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing292+4
Oct 16, 20262880
Oct 14, 20262880
Oct 13, 2026288+2
Oct 09, 2026286No prior observation