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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $330.00 Put

COHR261120P00330000

Latest saved OI832Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $330.00 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. 8444220 2026-10-02: 653 OI2026-10-05: 642 OI2026-10-06: 653 OI2026-10-07: 840 OI2026-10-08: 840 OI2026-10-09: 834 OI2026-10-13: 835 OI2026-10-14: 835 OI2026-10-15: 837 OI2026-10-16: 844 OI2026-10-21: 839 OI2026-10-23: 832 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, 2026Viewing832-7
Oct 21, 2026839-5
Oct 16, 2026844+7
Oct 15, 2026837+2
Oct 14, 20268350
Oct 13, 2026835+1
Oct 09, 2026834-6
Oct 08, 20268400
Oct 07, 2026840+187
Oct 06, 2026653+11
Oct 05, 2026642-11
Oct 02, 2026653No prior observation