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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $195.00 Put

COHR270115P00195000

Latest saved OI298Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $195.00 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. 2981490 2026-10-02: 188 OI2026-10-05: 187 OI2026-10-06: 187 OI2026-10-07: 185 OI2026-10-08: 185 OI2026-10-09: 190 OI2026-10-13: 195 OI2026-10-14: 195 OI2026-10-15: 217 OI2026-10-16: 219 OI2026-10-21: 289 OI2026-10-23: 298 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, 2026Viewing298+9
Oct 21, 2026289+70
Oct 16, 2026219+2
Oct 15, 2026217+22
Oct 14, 20261950
Oct 13, 2026195+5
Oct 09, 2026190+5
Oct 08, 20261850
Oct 07, 2026185-2
Oct 06, 20261870
Oct 05, 2026187-1
Oct 02, 2026188No prior observation