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Contract OI history

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Nov 20, 2026 EXPIRATION

CHYM $42.50 Call

CHYM261120C00042500

Latest saved OI766Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CHYM $42.50 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. 7663830 2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 100 OI2026-10-15: 100 OI2026-10-16: 100 OI2026-10-21: 765 OI2026-10-23: 766 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, 2026Viewing766+1
Oct 21, 2026765+665
Oct 16, 20261000
Oct 15, 20261000
Oct 14, 2026100+98
Oct 13, 202620
Oct 09, 20262No prior observation