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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $350.00 Call

COHR261120C00350000

Latest saved OI609Oct 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 $350.00 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. 6253120 2026-10-02: 494 OI2026-10-05: 495 OI2026-10-06: 536 OI2026-10-07: 547 OI2026-10-08: 547 OI2026-10-09: 559 OI2026-10-13: 538 OI2026-10-14: 538 OI2026-10-15: 534 OI2026-10-16: 625 OI2026-10-21: 601 OI2026-10-23: 609 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, 2026Viewing609+8
Oct 21, 2026601-24
Oct 16, 2026625+91
Oct 15, 2026534-4
Oct 14, 20265380
Oct 13, 2026538-21
Oct 09, 2026559+12
Oct 08, 20265470
Oct 07, 2026547+11
Oct 06, 2026536+41
Oct 05, 2026495+1
Oct 02, 2026494No prior observation