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Contract OI history

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Nov 20, 2026 EXPIRATION

CHYM $30.00 Put

CHYM261120P00030000

Latest saved OI855Oct 23, 2026
Last change+445vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CHYM $30.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8554270 2026-10-09: 193 OI2026-10-13: 195 OI2026-10-14: 217 OI2026-10-15: 227 OI2026-10-16: 401 OI2026-10-21: 410 OI2026-10-23: 855 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, 2026Viewing855+445
Oct 21, 2026410+9
Oct 16, 2026401+174
Oct 15, 2026227+10
Oct 14, 2026217+22
Oct 13, 2026195+2
Oct 09, 2026193No prior observation