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Contract OI history

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Oct 30, 2026 EXPIRATION

COHR $230.00 Put

COHR261030P00230000

Latest saved OI416Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $230.00 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. 4162080 2026-10-02: 158 OI2026-10-05: 145 OI2026-10-06: 146 OI2026-10-07: 130 OI2026-10-08: 130 OI2026-10-09: 130 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 204 OI2026-10-16: 259 OI2026-10-21: 409 OI2026-10-23: 416 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, 2026Viewing416+7
Oct 21, 2026409+150
Oct 16, 2026259+55
Oct 15, 2026204+71
Oct 14, 20261330
Oct 13, 2026133+3
Oct 09, 20261300
Oct 08, 20261300
Oct 07, 2026130-16
Oct 06, 2026146+1
Oct 05, 2026145-13
Oct 02, 2026158No prior observation