OITracker Cboe delayed data

Contract OI history

Back to COHR

Sep 17, 2027 EXPIRATION

COHR $220.00 Put

COHR270917P00220000

Latest saved OI1,008Oct 23, 2026
Last change-21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $220.00 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. 1,0295140 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 810 OI2026-10-14: 810 OI2026-10-15: 810 OI2026-10-16: 933 OI2026-10-21: 1,029 OI2026-10-23: 1,008 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, 2026Viewing1,008-21
Oct 21, 20261,029+96
Oct 16, 2026933+123
Oct 15, 20268100
Oct 14, 20268100
Oct 13, 2026810+808
Oct 09, 202620
Oct 08, 202620
Oct 07, 202620
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation