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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $330.00 Put

COHR270319P00330000

Latest saved OI130Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $330.00 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. 136680 2026-10-02: 133 OI2026-10-05: 135 OI2026-10-06: 136 OI2026-10-07: 136 OI2026-10-08: 136 OI2026-10-09: 135 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 131 OI2026-10-16: 131 OI2026-10-21: 130 OI2026-10-23: 130 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, 2026Viewing1300
Oct 21, 2026130-1
Oct 16, 20261310
Oct 15, 2026131-4
Oct 14, 20261350
Oct 13, 20261350
Oct 09, 2026135-1
Oct 08, 20261360
Oct 07, 20261360
Oct 06, 2026136+1
Oct 05, 2026135+2
Oct 02, 2026133No prior observation