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Contract OI history

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Jan 15, 2027 EXPIRATION

CHYM $20.00 Put

CHYM270115P00020000

Latest saved OI6,557Oct 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. 6,5663,2830 2026-10-09: 6,566 OI2026-10-13: 6,566 OI2026-10-14: 6,566 OI2026-10-15: 6,557 OI2026-10-16: 6,557 OI2026-10-21: 6,557 OI2026-10-23: 6,557 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, 2026Viewing6,5570
Oct 21, 20266,5570
Oct 16, 20266,5570
Oct 15, 20266,557-9
Oct 14, 20266,5660
Oct 13, 20266,5660
Oct 09, 20266,566No prior observation