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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $340.00 Call

COHR261120C00340000

Latest saved OI588Oct 23, 2026
Last change+86vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $340.00 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. 5882940 2026-10-02: 539 OI2026-10-05: 534 OI2026-10-06: 512 OI2026-10-07: 503 OI2026-10-08: 503 OI2026-10-09: 566 OI2026-10-13: 584 OI2026-10-14: 584 OI2026-10-15: 579 OI2026-10-16: 564 OI2026-10-21: 502 OI2026-10-23: 588 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, 2026Viewing588+86
Oct 21, 2026502-62
Oct 16, 2026564-15
Oct 15, 2026579-5
Oct 14, 20265840
Oct 13, 2026584+18
Oct 09, 2026566+63
Oct 08, 20265030
Oct 07, 2026503-9
Oct 06, 2026512-22
Oct 05, 2026534-5
Oct 02, 2026539No prior observation