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Contract OI history

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Mar 19, 2027 EXPIRATION

CHYM $27.50 Call

CHYM270319C00027500

Latest saved OI193Oct 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. 193960 2026-10-09: 131 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-15: 132 OI2026-10-16: 193 OI2026-10-21: 193 OI2026-10-23: 193 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, 2026Viewing1930
Oct 21, 20261930
Oct 16, 2026193+61
Oct 15, 20261320
Oct 14, 20261320
Oct 13, 2026132+1
Oct 09, 2026131No prior observation