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Contract OI history

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Sep 17, 2027 EXPIRATION

COHR $300.00 Put

COHR270917P00300000

Latest saved OI294Oct 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 $300.00 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. 2941470 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 3 OI2026-10-07: 14 OI2026-10-08: 14 OI2026-10-09: 290 OI2026-10-13: 290 OI2026-10-14: 290 OI2026-10-15: 290 OI2026-10-16: 291 OI2026-10-21: 294 OI2026-10-23: 294 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, 2026Viewing2940
Oct 21, 2026294+3
Oct 16, 2026291+1
Oct 15, 20262900
Oct 14, 20262900
Oct 13, 20262900
Oct 09, 2026290+276
Oct 08, 2026140
Oct 07, 202614+11
Oct 06, 20263+1
Oct 05, 202620
Oct 02, 20262No prior observation