OITracker Cboe delayed data

Contract OI history

Back to COHR

Mar 19, 2027 EXPIRATION

COHR $220.00 Put

COHR270319P00220000

Latest saved OI1,990Oct 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 $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. 2,0121,0060 2026-10-02: 988 OI2026-10-05: 988 OI2026-10-06: 990 OI2026-10-07: 989 OI2026-10-08: 989 OI2026-10-09: 994 OI2026-10-13: 1,819 OI2026-10-14: 1,819 OI2026-10-15: 1,818 OI2026-10-16: 1,911 OI2026-10-21: 2,012 OI2026-10-23: 1,990 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, 2026Viewing1,990-22
Oct 21, 20262,012+101
Oct 16, 20261,911+93
Oct 15, 20261,818-1
Oct 14, 20261,8190
Oct 13, 20261,819+825
Oct 09, 2026994+5
Oct 08, 20269890
Oct 07, 2026989-1
Oct 06, 2026990+2
Oct 05, 20269880
Oct 02, 2026988No prior observation