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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $260.00 Put

COHR261218P00260000

Latest saved OI645Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $260.00 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. 6453220 2026-10-02: 205 OI2026-10-05: 204 OI2026-10-06: 213 OI2026-10-07: 232 OI2026-10-08: 232 OI2026-10-09: 265 OI2026-10-13: 282 OI2026-10-14: 282 OI2026-10-15: 627 OI2026-10-16: 625 OI2026-10-21: 642 OI2026-10-23: 645 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, 2026Viewing645+3
Oct 21, 2026642+17
Oct 16, 2026625-2
Oct 15, 2026627+345
Oct 14, 20262820
Oct 13, 2026282+17
Oct 09, 2026265+33
Oct 08, 20262320
Oct 07, 2026232+19
Oct 06, 2026213+9
Oct 05, 2026204-1
Oct 02, 2026205No prior observation