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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $135.00 Put

COHR270115P00135000

Latest saved OI217Oct 23, 2026
Last change+39vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $135.00 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. 2171080 2026-10-02: 166 OI2026-10-05: 166 OI2026-10-06: 166 OI2026-10-07: 166 OI2026-10-08: 166 OI2026-10-09: 167 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-15: 168 OI2026-10-16: 167 OI2026-10-21: 178 OI2026-10-23: 217 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, 2026Viewing217+39
Oct 21, 2026178+11
Oct 16, 2026167-1
Oct 15, 2026168+1
Oct 14, 20261670
Oct 13, 20261670
Oct 09, 2026167+1
Oct 08, 20261660
Oct 07, 20261660
Oct 06, 20261660
Oct 05, 20261660
Oct 02, 2026166No prior observation