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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $310.00 Put

COHR270115P00310000

Latest saved OI433Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $310.00 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. 4372180 2026-10-02: 428 OI2026-10-05: 429 OI2026-10-06: 432 OI2026-10-07: 426 OI2026-10-08: 426 OI2026-10-09: 436 OI2026-10-13: 437 OI2026-10-14: 437 OI2026-10-15: 434 OI2026-10-16: 431 OI2026-10-21: 431 OI2026-10-23: 433 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, 2026Viewing433+2
Oct 21, 20264310
Oct 16, 2026431-3
Oct 15, 2026434-3
Oct 14, 20264370
Oct 13, 2026437+1
Oct 09, 2026436+10
Oct 08, 20264260
Oct 07, 2026426-6
Oct 06, 2026432+3
Oct 05, 2026429+1
Oct 02, 2026428No prior observation