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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $500.00 Call

COHR261218C00500000

Latest saved OI69Oct 23, 2026
Last change+36vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $500.00 call open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 69340 2026-10-06: 0 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 7 OI2026-10-13: 21 OI2026-10-14: 21 OI2026-10-15: 29 OI2026-10-16: 30 OI2026-10-21: 33 OI2026-10-23: 69 OI Oct 06, 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, 2026Viewing69+36
Oct 21, 202633+3
Oct 16, 202630+1
Oct 15, 202629+8
Oct 14, 2026210
Oct 13, 202621+14
Oct 09, 20267+6
Oct 08, 202610
Oct 07, 20261+1
Oct 06, 20260No prior observation