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Contract OI history

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Nov 06, 2026 EXPIRATION

COHR $270.00 Put

COHR261106P00270000

Latest saved OI348Oct 23, 2026
Last change-7vs 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. 3631810 2026-10-02: 28 OI2026-10-05: 33 OI2026-10-06: 73 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-09: 321 OI2026-10-13: 360 OI2026-10-14: 360 OI2026-10-15: 358 OI2026-10-16: 363 OI2026-10-21: 355 OI2026-10-23: 348 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, 2026Viewing348-7
Oct 21, 2026355-8
Oct 16, 2026363+5
Oct 15, 2026358-2
Oct 14, 20263600
Oct 13, 2026360+39
Oct 09, 2026321+207
Oct 08, 20261140
Oct 07, 2026114+41
Oct 06, 202673+40
Oct 05, 202633+5
Oct 02, 202628No prior observation