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Contract OI history

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Oct 23, 2026 EXPIRATION

AMBA $50.00 Put

AMBA261023P00050000

Latest saved OI193Oct 21, 2026
Last change+15vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBA $50.00 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. 193960 2026-10-09: 127 OI2026-10-13: 177 OI2026-10-14: 177 OI2026-10-16: 178 OI2026-10-21: 193 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, 2026Viewing193+15
Oct 16, 2026178+1
Oct 14, 20261770
Oct 13, 2026177+50
Oct 09, 2026127No prior observation