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Contract OI history

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Nov 20, 2026 EXPIRATION

CHYM $27.50 Call

CHYM261120C00027500

Latest saved OI335Oct 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 $27.50 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. 3351670 2026-10-09: 314 OI2026-10-13: 285 OI2026-10-14: 274 OI2026-10-15: 276 OI2026-10-16: 294 OI2026-10-21: 335 OI2026-10-23: 335 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, 2026Viewing3350
Oct 21, 2026335+41
Oct 16, 2026294+18
Oct 15, 2026276+2
Oct 14, 2026274-11
Oct 13, 2026285-29
Oct 09, 2026314No prior observation