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Contract OI history

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Nov 13, 2026 EXPIRATION

COHR $240.00 Put

COHR261113P00240000

Latest saved OI272Oct 23, 2026
Last change+105vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2721360 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 16 OI2026-10-07: 65 OI2026-10-08: 65 OI2026-10-09: 77 OI2026-10-13: 179 OI2026-10-14: 179 OI2026-10-15: 172 OI2026-10-16: 165 OI2026-10-21: 167 OI2026-10-23: 272 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, 2026Viewing272+105
Oct 21, 2026167+2
Oct 16, 2026165-7
Oct 15, 2026172-7
Oct 14, 20261790
Oct 13, 2026179+102
Oct 09, 202677+12
Oct 08, 2026650
Oct 07, 202665+49
Oct 06, 202616+16
Oct 05, 202600
Oct 02, 20260No prior observation