OITracker Cboe delayed data

Contract OI history

Back to COHR

Jan 15, 2027 EXPIRATION

COHR $320.00 Call

COHR270115C00320000

Latest saved OI817Oct 23, 2026
Last change+135vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $320.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8174080 2026-10-02: 547 OI2026-10-05: 551 OI2026-10-06: 552 OI2026-10-07: 558 OI2026-10-08: 558 OI2026-10-09: 636 OI2026-10-13: 640 OI2026-10-14: 640 OI2026-10-15: 653 OI2026-10-16: 668 OI2026-10-21: 682 OI2026-10-23: 817 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, 2026Viewing817+135
Oct 21, 2026682+14
Oct 16, 2026668+15
Oct 15, 2026653+13
Oct 14, 20266400
Oct 13, 2026640+4
Oct 09, 2026636+78
Oct 08, 20265580
Oct 07, 2026558+6
Oct 06, 2026552+1
Oct 05, 2026551+4
Oct 02, 2026547No prior observation