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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $270.00 Put

COHR261023P00270000

Latest saved OI5Oct 23, 2026
Last change-251vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $270.00 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. 2821410 2026-10-02: 178 OI2026-10-05: 120 OI2026-10-06: 128 OI2026-10-07: 138 OI2026-10-08: 138 OI2026-10-09: 156 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 280 OI2026-10-16: 282 OI2026-10-21: 256 OI2026-10-23: 5 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, 2026Viewing5-251
Oct 21, 2026256-26
Oct 16, 2026282+2
Oct 15, 2026280+23
Oct 14, 20262570
Oct 13, 2026257+101
Oct 09, 2026156+18
Oct 08, 20261380
Oct 07, 2026138+10
Oct 06, 2026128+8
Oct 05, 2026120-58
Oct 02, 2026178No prior observation