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Contract OI history

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Oct 30, 2026 EXPIRATION

COHR $225.00 Call

COHR261030C00225000

Latest saved OI811Oct 23, 2026
Last change+759vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $225.00 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. 8114050 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 2 OI2026-10-16: 7 OI2026-10-21: 52 OI2026-10-23: 811 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, 2026Viewing811+759
Oct 21, 202652+45
Oct 16, 20267+5
Oct 15, 202620
Oct 14, 202620
Oct 13, 202620
Oct 09, 202620
Oct 08, 202620
Oct 07, 202620
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation