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Contract OI history

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Apr 16, 2027 EXPIRATION

COHR $180.00 Put

COHR270416P00180000

Latest saved OI653Oct 23, 2026
Last change+1vs 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. 6533260 2026-10-02: 17 OI2026-10-05: 16 OI2026-10-06: 16 OI2026-10-07: 16 OI2026-10-08: 16 OI2026-10-09: 16 OI2026-10-13: 616 OI2026-10-14: 616 OI2026-10-15: 618 OI2026-10-16: 622 OI2026-10-21: 652 OI2026-10-23: 653 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, 2026Viewing653+1
Oct 21, 2026652+30
Oct 16, 2026622+4
Oct 15, 2026618+2
Oct 14, 20266160
Oct 13, 2026616+600
Oct 09, 2026160
Oct 08, 2026160
Oct 07, 2026160
Oct 06, 2026160
Oct 05, 202616-1
Oct 02, 202617No prior observation