OITracker Cboe delayed data

Contract OI history

Back to AMBA

Oct 23, 2026 EXPIRATION

AMBA $55.00 Put

AMBA261023P00055000

Latest saved OI169Oct 21, 2026
Last change+58vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBA $55.00 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. 169840 2026-10-09: 52 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-16: 111 OI2026-10-21: 169 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, 2026Viewing169+58
Oct 16, 2026111+2
Oct 14, 20261090
Oct 13, 2026109+57
Oct 09, 202652No prior observation