OITracker Cboe delayed data

Contract OI history

Back to COHR

Jan 21, 2028 EXPIRATION

COHR $240.00 Call

COHR280121C00240000

Latest saved OI131Oct 23, 2026
Last change+14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 131650 2026-10-02: 100 OI2026-10-05: 99 OI2026-10-06: 99 OI2026-10-07: 99 OI2026-10-08: 99 OI2026-10-09: 99 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-15: 106 OI2026-10-16: 114 OI2026-10-21: 117 OI2026-10-23: 131 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, 2026Viewing131+14
Oct 21, 2026117+3
Oct 16, 2026114+8
Oct 15, 20261060
Oct 14, 20261060
Oct 13, 2026106+7
Oct 09, 2026990
Oct 08, 2026990
Oct 07, 2026990
Oct 06, 2026990
Oct 05, 202699-1
Oct 02, 2026100No prior observation