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Contract OI history

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Nov 20, 2026 EXPIRATION

CHYM $40.00 Call

CHYM261120C00040000

Latest saved OI77Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CHYM $40.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 77380 2026-10-09: 36 OI2026-10-13: 36 OI2026-10-14: 36 OI2026-10-15: 36 OI2026-10-16: 36 OI2026-10-21: 57 OI2026-10-23: 77 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CHYM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing77+20
Oct 21, 202657+21
Oct 16, 2026360
Oct 15, 2026360
Oct 14, 2026360
Oct 13, 2026360
Oct 09, 202636No prior observation