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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $250.00 Put

COHR261023P00250000

Latest saved OI36Oct 23, 2026
Last change-477vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $250.00 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. 5792890 2026-10-02: 488 OI2026-10-05: 370 OI2026-10-06: 317 OI2026-10-07: 280 OI2026-10-08: 280 OI2026-10-09: 407 OI2026-10-13: 489 OI2026-10-14: 489 OI2026-10-15: 529 OI2026-10-16: 579 OI2026-10-21: 513 OI2026-10-23: 36 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, 2026Viewing36-477
Oct 21, 2026513-66
Oct 16, 2026579+50
Oct 15, 2026529+40
Oct 14, 20264890
Oct 13, 2026489+82
Oct 09, 2026407+127
Oct 08, 20262800
Oct 07, 2026280-37
Oct 06, 2026317-53
Oct 05, 2026370-118
Oct 02, 2026488No prior observation