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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $160.00 Put

COHR270319P00160000

Latest saved OI512Oct 23, 2026
Last change+33vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $160.00 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. 5122560 2026-10-02: 21 OI2026-10-05: 21 OI2026-10-06: 21 OI2026-10-07: 21 OI2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-15: 33 OI2026-10-16: 36 OI2026-10-21: 479 OI2026-10-23: 512 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, 2026Viewing512+33
Oct 21, 2026479+443
Oct 16, 202636+3
Oct 15, 202633+5
Oct 14, 2026280
Oct 13, 202628+7
Oct 09, 2026210
Oct 08, 2026210
Oct 07, 2026210
Oct 06, 2026210
Oct 05, 2026210
Oct 02, 202621No prior observation