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Contract OI history

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Dec 18, 2026 EXPIRATION

CHYM $25.00 Put

CHYM261218P00025000

Latest saved OI355Oct 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 $25.00 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. 3551770 2026-10-09: 335 OI2026-10-13: 346 OI2026-10-14: 346 OI2026-10-15: 346 OI2026-10-16: 346 OI2026-10-21: 355 OI2026-10-23: 355 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, 2026Viewing3550
Oct 21, 2026355+9
Oct 16, 20263460
Oct 15, 20263460
Oct 14, 20263460
Oct 13, 2026346+11
Oct 09, 2026335No prior observation