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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $310.00 Put

COHR261023P00310000

Latest saved OI0Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $310.00 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. 175870 2026-10-02: 54 OI2026-10-05: 57 OI2026-10-06: 157 OI2026-10-07: 160 OI2026-10-08: 160 OI2026-10-09: 175 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 173 OI2026-10-16: 172 OI2026-10-21: 0 OI2026-10-23: 0 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, 2026Viewing00
Oct 21, 20260-172
Oct 16, 2026172-1
Oct 15, 2026173+10
Oct 14, 20261630
Oct 13, 2026163-12
Oct 09, 2026175+15
Oct 08, 20261600
Oct 07, 2026160+3
Oct 06, 2026157+100
Oct 05, 202657+3
Oct 02, 202654No prior observation