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Contract OI history

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Oct 30, 2026 EXPIRATION

COHR $255.00 Put

COHR261030P00255000

Latest saved OI210Oct 23, 2026
Last change-18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $255.00 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. 2281140 2026-10-02: 202 OI2026-10-05: 155 OI2026-10-06: 151 OI2026-10-07: 144 OI2026-10-08: 144 OI2026-10-09: 175 OI2026-10-13: 220 OI2026-10-14: 220 OI2026-10-15: 223 OI2026-10-16: 224 OI2026-10-21: 228 OI2026-10-23: 210 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, 2026Viewing210-18
Oct 21, 2026228+4
Oct 16, 2026224+1
Oct 15, 2026223+3
Oct 14, 20262200
Oct 13, 2026220+45
Oct 09, 2026175+31
Oct 08, 20261440
Oct 07, 2026144-7
Oct 06, 2026151-4
Oct 05, 2026155-47
Oct 02, 2026202No prior observation