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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $350.00 Call

COHR261218C00350000

Latest saved OI448Oct 23, 2026
Last change+40vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $350.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4482240 2026-10-02: 148 OI2026-10-05: 155 OI2026-10-06: 254 OI2026-10-07: 265 OI2026-10-08: 265 OI2026-10-09: 297 OI2026-10-13: 346 OI2026-10-14: 346 OI2026-10-15: 354 OI2026-10-16: 365 OI2026-10-21: 408 OI2026-10-23: 448 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, 2026Viewing448+40
Oct 21, 2026408+43
Oct 16, 2026365+11
Oct 15, 2026354+8
Oct 14, 20263460
Oct 13, 2026346+49
Oct 09, 2026297+32
Oct 08, 20262650
Oct 07, 2026265+11
Oct 06, 2026254+99
Oct 05, 2026155+7
Oct 02, 2026148No prior observation