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Contract OI history

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Mar 19, 2027 EXPIRATION

CHYM $40.00 Call

CHYM270319C00040000

Latest saved OI1,051Oct 23, 2026
Last change+5vs 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. 1,0675330 2026-10-09: 1,067 OI2026-10-13: 1,045 OI2026-10-14: 1,045 OI2026-10-15: 1,045 OI2026-10-16: 1,045 OI2026-10-21: 1,046 OI2026-10-23: 1,051 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, 2026Viewing1,051+5
Oct 21, 20261,046+1
Oct 16, 20261,0450
Oct 15, 20261,0450
Oct 14, 20261,0450
Oct 13, 20261,045-22
Oct 09, 20261,067No prior observation