OITracker Cboe delayed data

Contract OI history

Back to COHR

Dec 18, 2026 EXPIRATION

COHR $230.00 Put

COHR261218P00230000

Latest saved OI2,982Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $230.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,9821,4910 2026-10-02: 2,070 OI2026-10-05: 2,069 OI2026-10-06: 2,075 OI2026-10-07: 2,067 OI2026-10-08: 2,067 OI2026-10-09: 2,141 OI2026-10-13: 2,151 OI2026-10-14: 2,151 OI2026-10-15: 2,174 OI2026-10-16: 2,682 OI2026-10-21: 2,960 OI2026-10-23: 2,982 OI Oct 02, 2026Oct 23, 2026

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

COHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,982+22
Oct 21, 20262,960+278
Oct 16, 20262,682+508
Oct 15, 20262,174+23
Oct 14, 20262,1510
Oct 13, 20262,151+10
Oct 09, 20262,141+74
Oct 08, 20262,0670
Oct 07, 20262,067-8
Oct 06, 20262,075+6
Oct 05, 20262,069-1
Oct 02, 20262,070No prior observation