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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $270.00 Put

COHR270319P00270000

Latest saved OI3,077Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $270.00 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. 3,0771,5380 2026-10-02: 2,044 OI2026-10-05: 2,043 OI2026-10-06: 2,044 OI2026-10-07: 2,643 OI2026-10-08: 2,643 OI2026-10-09: 2,662 OI2026-10-13: 2,668 OI2026-10-14: 2,668 OI2026-10-15: 2,974 OI2026-10-16: 3,076 OI2026-10-21: 3,075 OI2026-10-23: 3,077 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, 2026Viewing3,077+2
Oct 21, 20263,075-1
Oct 16, 20263,076+102
Oct 15, 20262,974+306
Oct 14, 20262,6680
Oct 13, 20262,668+6
Oct 09, 20262,662+19
Oct 08, 20262,6430
Oct 07, 20262,643+599
Oct 06, 20262,044+1
Oct 05, 20262,043-1
Oct 02, 20262,044No prior observation