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Contract OI history

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Oct 30, 2026 EXPIRATION

COHR $200.00 Put

COHR261030P00200000

Latest saved OI1,544Oct 23, 2026
Last change+476vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $200.00 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. 1,5447720 2026-10-02: 52 OI2026-10-05: 49 OI2026-10-06: 52 OI2026-10-07: 52 OI2026-10-08: 52 OI2026-10-09: 57 OI2026-10-13: 249 OI2026-10-14: 249 OI2026-10-15: 268 OI2026-10-16: 283 OI2026-10-21: 1,068 OI2026-10-23: 1,544 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, 2026Viewing1,544+476
Oct 21, 20261,068+785
Oct 16, 2026283+15
Oct 15, 2026268+19
Oct 14, 20262490
Oct 13, 2026249+192
Oct 09, 202657+5
Oct 08, 2026520
Oct 07, 2026520
Oct 06, 202652+3
Oct 05, 202649-3
Oct 02, 202652No prior observation