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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $285.00 Put

COHR261023P00285000

Latest saved OI4Oct 23, 2026
Last change-79vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $285.00 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. 2831410 2026-10-02: 83 OI2026-10-05: 71 OI2026-10-06: 73 OI2026-10-07: 81 OI2026-10-08: 81 OI2026-10-09: 194 OI2026-10-13: 258 OI2026-10-14: 258 OI2026-10-15: 283 OI2026-10-16: 267 OI2026-10-21: 83 OI2026-10-23: 4 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, 2026Viewing4-79
Oct 21, 202683-184
Oct 16, 2026267-16
Oct 15, 2026283+25
Oct 14, 20262580
Oct 13, 2026258+64
Oct 09, 2026194+113
Oct 08, 2026810
Oct 07, 202681+8
Oct 06, 202673+2
Oct 05, 202671-12
Oct 02, 202683No prior observation