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Contract OI history

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Nov 20, 2026 EXPIRATION

CHYM $20.00 Put

CHYM261120P00020000

Latest saved OI104Oct 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 $20.00 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. 104520 2026-10-09: 53 OI2026-10-13: 53 OI2026-10-14: 53 OI2026-10-15: 53 OI2026-10-16: 53 OI2026-10-21: 104 OI2026-10-23: 104 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, 2026Viewing1040
Oct 21, 2026104+51
Oct 16, 2026530
Oct 15, 2026530
Oct 14, 2026530
Oct 13, 2026530
Oct 09, 202653No prior observation