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Contract OI history

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Apr 16, 2027 EXPIRATION

COHR $200.00 Put

COHR270416P00200000

Latest saved OI881Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $200.00 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. 8814400 2026-10-02: 246 OI2026-10-05: 246 OI2026-10-06: 249 OI2026-10-07: 249 OI2026-10-08: 249 OI2026-10-09: 769 OI2026-10-13: 787 OI2026-10-14: 787 OI2026-10-15: 790 OI2026-10-16: 795 OI2026-10-21: 877 OI2026-10-23: 881 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, 2026Viewing881+4
Oct 21, 2026877+82
Oct 16, 2026795+5
Oct 15, 2026790+3
Oct 14, 20267870
Oct 13, 2026787+18
Oct 09, 2026769+520
Oct 08, 20262490
Oct 07, 20262490
Oct 06, 2026249+3
Oct 05, 20262460
Oct 02, 2026246No prior observation