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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $310.00 Call

COHR270319C00310000

Latest saved OI182Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $310.00 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. 182910 2026-10-02: 68 OI2026-10-05: 68 OI2026-10-06: 66 OI2026-10-07: 66 OI2026-10-08: 66 OI2026-10-09: 110 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-15: 128 OI2026-10-16: 134 OI2026-10-21: 174 OI2026-10-23: 182 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, 2026Viewing182+8
Oct 21, 2026174+40
Oct 16, 2026134+6
Oct 15, 2026128+4
Oct 14, 20261240
Oct 13, 2026124+14
Oct 09, 2026110+44
Oct 08, 2026660
Oct 07, 2026660
Oct 06, 202666-2
Oct 05, 2026680
Oct 02, 202668No prior observation