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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $145.00 Put

COHR270319P00145000

Latest saved OI460Oct 23, 2026
Last change+342vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $145.00 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. 4602300 2026-10-02: 118 OI2026-10-05: 119 OI2026-10-06: 116 OI2026-10-07: 116 OI2026-10-08: 116 OI2026-10-09: 116 OI2026-10-13: 119 OI2026-10-14: 119 OI2026-10-15: 119 OI2026-10-16: 118 OI2026-10-21: 118 OI2026-10-23: 460 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, 2026Viewing460+342
Oct 21, 20261180
Oct 16, 2026118-1
Oct 15, 20261190
Oct 14, 20261190
Oct 13, 2026119+3
Oct 09, 20261160
Oct 08, 20261160
Oct 07, 20261160
Oct 06, 2026116-3
Oct 05, 2026119+1
Oct 02, 2026118No prior observation