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Contract OI history

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Apr 16, 2027 EXPIRATION

COHR $240.00 Put

COHR270416P00240000

Latest saved OI630Oct 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 $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. 6303150 2026-10-02: 260 OI2026-10-05: 259 OI2026-10-06: 259 OI2026-10-07: 259 OI2026-10-08: 259 OI2026-10-09: 510 OI2026-10-13: 510 OI2026-10-14: 510 OI2026-10-15: 510 OI2026-10-16: 518 OI2026-10-21: 628 OI2026-10-23: 630 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, 2026Viewing630+2
Oct 21, 2026628+110
Oct 16, 2026518+8
Oct 15, 20265100
Oct 14, 20265100
Oct 13, 20265100
Oct 09, 2026510+251
Oct 08, 20262590
Oct 07, 20262590
Oct 06, 20262590
Oct 05, 2026259-1
Oct 02, 2026260No prior observation