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Contract OI history

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Dec 18, 2026 EXPIRATION

CHYM $32.50 Call

CHYM261218C00032500

Latest saved OI1,315Oct 23, 2026
Last change+59vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CHYM $32.50 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. 1,3156570 2026-10-09: 1,242 OI2026-10-13: 1,249 OI2026-10-14: 1,249 OI2026-10-15: 1,249 OI2026-10-16: 1,250 OI2026-10-21: 1,256 OI2026-10-23: 1,315 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, 2026Viewing1,315+59
Oct 21, 20261,256+6
Oct 16, 20261,250+1
Oct 15, 20261,2490
Oct 14, 20261,2490
Oct 13, 20261,249+7
Oct 09, 20261,242No prior observation