OITracker Cboe delayed data

Contract OI history

Back to AMBA

Nov 20, 2026 EXPIRATION

AMBA $50.00 Put

AMBA261120P00050000

Latest saved OI381Oct 21, 2026
Last change+56vs 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. 3811900 2026-10-09: 318 OI2026-10-13: 324 OI2026-10-14: 325 OI2026-10-16: 325 OI2026-10-21: 381 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, 2026Viewing381+56
Oct 16, 20263250
Oct 14, 2026325+1
Oct 13, 2026324+6
Oct 09, 2026318No prior observation