OITracker Cboe delayed data

Contract OI history

Back to COHU

Dec 18, 2026 EXPIRATION

COHU $55.00 Put

COHU261218P00055000

Latest saved OI14Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
COHU $55.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1470 2026-10-08: 6 OI2026-10-09: 6 OI2026-10-13: 6 OI2026-10-14: 7 OI2026-10-16: 12 OI2026-10-20: 12 OI2026-10-23: 14 OI Oct 08, 2026Oct 23, 2026

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

COHU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing14+2
Oct 20, 2026120
Oct 16, 202612+5
Oct 14, 20267+1
Oct 13, 202660
Oct 09, 202660
Oct 08, 20266No prior observation