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Contract OI history

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Jan 15, 2027 EXPIRATION

AMBA $52.50 Put

AMBA270115P00052500

Latest saved OI65Oct 21, 2026
Last change+3vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBA $52.50 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. 65320 2026-10-09: 55 OI2026-10-13: 57 OI2026-10-14: 58 OI2026-10-16: 62 OI2026-10-21: 65 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, 2026Viewing65+3
Oct 16, 202662+4
Oct 14, 202658+1
Oct 13, 202657+2
Oct 09, 202655No prior observation