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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $400.00 Call

COHR270115C00400000

Latest saved OI965Oct 23, 2026
Last change-48vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $400.00 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. 1,2356170 2026-10-02: 1,222 OI2026-10-05: 1,235 OI2026-10-06: 1,232 OI2026-10-07: 1,232 OI2026-10-08: 1,232 OI2026-10-09: 1,039 OI2026-10-13: 1,046 OI2026-10-14: 1,046 OI2026-10-15: 1,046 OI2026-10-16: 1,087 OI2026-10-21: 1,013 OI2026-10-23: 965 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, 2026Viewing965-48
Oct 21, 20261,013-74
Oct 16, 20261,087+41
Oct 15, 20261,0460
Oct 14, 20261,0460
Oct 13, 20261,046+7
Oct 09, 20261,039-193
Oct 08, 20261,2320
Oct 07, 20261,2320
Oct 06, 20261,232-3
Oct 05, 20261,235+13
Oct 02, 20261,222No prior observation