OITracker Cboe delayed data

Contract OI history

Back to COHR

Dec 18, 2026 EXPIRATION

COHR $300.00 Call

COHR261218C00300000

Latest saved OI400Oct 23, 2026
Last change+29vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $300.00 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. 4002000 2026-10-02: 231 OI2026-10-05: 231 OI2026-10-06: 225 OI2026-10-07: 225 OI2026-10-08: 225 OI2026-10-09: 269 OI2026-10-13: 321 OI2026-10-14: 321 OI2026-10-15: 326 OI2026-10-16: 349 OI2026-10-21: 371 OI2026-10-23: 400 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, 2026Viewing400+29
Oct 21, 2026371+22
Oct 16, 2026349+23
Oct 15, 2026326+5
Oct 14, 20263210
Oct 13, 2026321+52
Oct 09, 2026269+44
Oct 08, 20262250
Oct 07, 20262250
Oct 06, 2026225-6
Oct 05, 20262310
Oct 02, 2026231No prior observation