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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $180.00 Put

COHR261120P00180000

Latest saved OI587Oct 23, 2026
Last change+57vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $180.00 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. 6073030 2026-10-02: 607 OI2026-10-05: 605 OI2026-10-06: 593 OI2026-10-07: 594 OI2026-10-08: 594 OI2026-10-09: 594 OI2026-10-13: 539 OI2026-10-14: 539 OI2026-10-15: 542 OI2026-10-16: 504 OI2026-10-21: 530 OI2026-10-23: 587 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, 2026Viewing587+57
Oct 21, 2026530+26
Oct 16, 2026504-38
Oct 15, 2026542+3
Oct 14, 20265390
Oct 13, 2026539-55
Oct 09, 20265940
Oct 08, 20265940
Oct 07, 2026594+1
Oct 06, 2026593-12
Oct 05, 2026605-2
Oct 02, 2026607No prior observation