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Contract OI history

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Jan 15, 2027 EXPIRATION

CHYM $40.00 Call

CHYM270115C00040000

Latest saved OI3,890Oct 23, 2026
Last change0vs 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. 4,1012,0500 2026-10-09: 4,101 OI2026-10-13: 4,097 OI2026-10-14: 4,097 OI2026-10-15: 3,987 OI2026-10-16: 3,977 OI2026-10-21: 3,890 OI2026-10-23: 3,890 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, 2026Viewing3,8900
Oct 21, 20263,890-87
Oct 16, 20263,977-10
Oct 15, 20263,987-110
Oct 14, 20264,0970
Oct 13, 20264,097-4
Oct 09, 20264,101No prior observation