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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $330.00 Put

COHR270115P00330000

Latest saved OI206Oct 23, 2026
Last change0vs 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. 2061030 2026-10-02: 164 OI2026-10-05: 179 OI2026-10-06: 204 OI2026-10-07: 204 OI2026-10-08: 204 OI2026-10-09: 204 OI2026-10-13: 205 OI2026-10-14: 205 OI2026-10-15: 206 OI2026-10-16: 206 OI2026-10-21: 206 OI2026-10-23: 206 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, 2026Viewing2060
Oct 21, 20262060
Oct 16, 20262060
Oct 15, 2026206+1
Oct 14, 20262050
Oct 13, 2026205+1
Oct 09, 20262040
Oct 08, 20262040
Oct 07, 20262040
Oct 06, 2026204+25
Oct 05, 2026179+15
Oct 02, 2026164No prior observation