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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $240.00 Put

COHR270319P00240000

Latest saved OI1,592Oct 23, 2026
Last change-58vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 1,6508250 2026-10-02: 584 OI2026-10-05: 581 OI2026-10-06: 654 OI2026-10-07: 665 OI2026-10-08: 665 OI2026-10-09: 665 OI2026-10-13: 1,531 OI2026-10-14: 1,531 OI2026-10-15: 1,547 OI2026-10-16: 1,591 OI2026-10-21: 1,650 OI2026-10-23: 1,592 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, 2026Viewing1,592-58
Oct 21, 20261,650+59
Oct 16, 20261,591+44
Oct 15, 20261,547+16
Oct 14, 20261,5310
Oct 13, 20261,531+866
Oct 09, 20266650
Oct 08, 20266650
Oct 07, 2026665+11
Oct 06, 2026654+73
Oct 05, 2026581-3
Oct 02, 2026584No prior observation