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Contract OI history

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Jan 15, 2027 EXPIRATION

CHYM $27.50 Call

CHYM270115C00027500

Latest saved OI1,925Oct 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. 1,9259620 2026-10-09: 1,923 OI2026-10-13: 1,923 OI2026-10-14: 1,923 OI2026-10-15: 1,920 OI2026-10-16: 1,919 OI2026-10-21: 1,925 OI2026-10-23: 1,925 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, 2026Viewing1,9250
Oct 21, 20261,925+6
Oct 16, 20261,919-1
Oct 15, 20261,920-3
Oct 14, 20261,9230
Oct 13, 20261,9230
Oct 09, 20261,923No prior observation