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Contract OI history

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Jan 21, 2028 EXPIRATION

COHR $150.00 Put

COHR280121P00150000

Latest saved OI580Oct 23, 2026
Last change+35vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $150.00 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. 5802900 2026-10-02: 438 OI2026-10-05: 460 OI2026-10-06: 461 OI2026-10-07: 465 OI2026-10-08: 465 OI2026-10-09: 475 OI2026-10-13: 545 OI2026-10-14: 545 OI2026-10-15: 545 OI2026-10-16: 545 OI2026-10-21: 545 OI2026-10-23: 580 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, 2026Viewing580+35
Oct 21, 20265450
Oct 16, 20265450
Oct 15, 20265450
Oct 14, 20265450
Oct 13, 2026545+70
Oct 09, 2026475+10
Oct 08, 20264650
Oct 07, 2026465+4
Oct 06, 2026461+1
Oct 05, 2026460+22
Oct 02, 2026438No prior observation